VIEWS: 10 PAGES: 114 POSTED ON: 11/20/2011
“high” antenna Rec. ITU-R P.1546-2 Method for point-to-area predictions for terrestrial services in the frequency range 30 MHz to 3 000 MHz “hot-spot” regions Rec. ITU-R P.843-1 Communication by Meteor-burst Propagation “low” antenna Rec. ITU-R P.1546-2 Method for point-to-area predictions for terrestrial services in the frequency range 30 MHz to 3 000 MHz “narrow-beam” approximation Rec. ITU-R P.620-6 Propagation data required for the evaluation of coordination distances in the frequency range 100 MHz to 105 GHz 2 800 MHz solar radio noise flux Rec. ITU-R P.371-8 Choice of Indices for Long-Term Ionospheric Predictions 2E MUF Rec.ITU-R P. 434-6 ITU-R Reference Ionospheric Characteristics and Methods of Basic MUF Operational MUF and Ray-path Prediction absorption Rec. ITU-R P.531-8 Ionospheric propagation data and prediction Rec. ITU-R P.533-8 methods required for the design of Rec. ITU-R P.618-8 satellite services and systems Rec. ITU-R P.619-1 Rec. ITU-R P.679-3 Rec. ITU-R P.680-3 Rec. ITU-R P.843-1 Rec. ITU-R P.845-3 Rec. ITU-R P.846-1 Rec. ITU-R P.1622-0 Rec. ITU-R P.532-1 acceptance criteria Rec.ITUR P. 311-12 Acquisition, presentation and analysis of data in studies of tropospheric propagation adequate standard Rec.ITUR P. 311-12 Acquisition, presentation and analysis of data in studies of tropospheric propagation adjacent channel signal Rec. ITU-R P.845-3 HF field strength measurement adjacent frequency channels Rec.ITU-R P. 435-7 Sky-wave field-strenght prediction method for Broadcasting Service in the Frequency range 150 to 1600KHz. adjacent-channel transmissions Rec. ITU-R P.842-3 Computation of reliability and compatibility of HF radio systems adjoint factor Rec. ITU-R P.684-4 Prediction of field strength at frequencies below about 150 kHz ambipolar diffusion Rec. ITU-R P.843-1 Communication by Meteor-burst Propagation amplitude probability Rec. ITU-R P.372-8 Radio Noise distribution(APD) amplitude scintillation Rec. ITU-R P.1622-0 Prediction methods required for the design of Earth-space systems operating between 20 THz and 375 THz angle diversity Rec. ITU-R P.530-11 Propagation data and prediction methods Rec. ITU-R P.617-1 required for the design of terrestrial line-of- sight systems angle of arrival Rec. ITU-R P.530-11 Propagation data and prediction methods Rec. ITU-R P.531-8 required for the design of Earth-space Rec. ITU-R P.618-8 telecommunication systems Rec. ITU-R P.679-3 Rec. ITU-R P.680-3 Rec. ITU-R P.684-4 Rec. ITU-R P.1060-0 Rec. ITU-R P.1622-0 angle of departure Rec. ITU-R P.684-4 Prediction of field strength at frequencies below about 150 kHz angle of diffractions Rec. ITU-R P.526-10 Propagation by Diffraction angle of incidence Rec. ITU-R P.533-8 Communication by Meteor-burst Rec. ITU-R P.684-4 Propagation Rec. ITU-R P.843-1 angle-of-launch Rec. ITU-R P.530-11 Propagation data and prediction methods required for the design of terrestrial line-of- sight systems anisotropy Rec. ITU-R P.531-8 Ionospheric propagation data and prediction Rec. ITU-R P.684-4 methods required for the design of satellite services and systems annual median night-time field Rec.ITU-R P. 435-7 Sky-wave field-strenght prediction method strength for Broadcasting Service in the Frequency range 150 to 1600KHz. annual median of half-hourly Rec.ITU-R P. 435-7 Sky-wave field-strenght prediction method median field strengths for Broadcasting Service in the Frequency (dB(mV/m)) range 150 to 1600KHz. annual statistics of sky noise Rec.ITUR P. 311-12 Acquisition, presentation and analysis of temperature data in studies of tropospheric propagation annual worst-month Rec. ITU-R P.581-2 The concept of the worst-month anomalous propagation Rec. ITU-R P.452-12 Prediction procedure for the evaluation of Rec. ITU-R P.680-3 microwave interference between stations on Rec. ITU-R P.620-6 the surface of the Earth at frequencies above about 0.7 GHz* antenna decoupling Rec. ITU-R P.530-11 Propagation data and prediction methods required for the design of terrestrial line-of- sight systems antenna discrimination Rec. ITU-R P.530-11 Propagation data and prediction methods required for the design of terrestrial line-of- sight systems antenna gain Rec. ITU-R P.452-12 Prediction procedure for the evaluation of Rec. ITU-R P.617-1 microwave interference between stations on Rec. ITU-R P.682-1 the surface of the Earth at frequencies Rec. ITU-R P.845-3 above about 0.7 GHz* Rec. ITU-R P.1546-2 antenna height Rec. ITU-R P.452-12 Prediction procedure for the evaluation of microwave interference between stations on the surface of the Earth at frequencies above about 0.7 GHz* antenna height corrections Rec.ITU-R P.1406-0 Propagation effects relating to terrestrial land mobile service in the VHF and UHF bands antenna noise Rec. ITU-R P.372-8 Radio Noise antenna pattern Rec. ITU-R P.372-8 Radio Noise aparent boresight angle Rec. ITU-R P.834-6 Effects of Tropospheric Refaction on the Radiowave Propagation area of the receiver Rec. ITU-R P.1621-1 Propagation data required for the design for Earth-space systems operating area reliability Rec. ITU-R P.842-3 Computation of reliability and compatibility of HF radio systems area service compatibility (ASC) Rec. ITU-R P.842-3 Computation of reliability and compatibility of HF radio systems area-coverage prediction Rec. ITU-R P.1546-2 Method for point-to-area predictions for methods terrestrial services in the frequency range 30 MHz to 3 000 MHz atmosphere noise Rec. ITU-R P.372-8 Radio Noise atmosphere refraction Rec. ITU-R P.526-10 Propagation by Diffraction atmospheric absorption Rec. ITU-R P.1621-1 Propagation data required for the design for Earth-space systems operating atmospheric attenuation Rec. ITU-R P.1322-0 Radiometric estimation of atmospheric attenuation atmospheric coherence length Rec. ITU-R P.1622-0 Prediction methods required for the design of Earth-space systems operating between 20 THz and 375 THz atmospheric irregularities Rec. ITU-R P.617-1 PROPAGATION PREDICTION TECHNIQUES AND DATA REQUIRED FOR THE DESIGN OF TRANS- HORIZON RADIO-RELAY SYSTEMS atmospheric multipath Rec. ITU-R P.530-11 Propagation data and prediction methods required for the design of terrestrial line-of- sight systems atmospheric noise Rec. ITU-R P.842-3 Computation of reliability and compatibility of HF radio systems atmospheric pressure (hPa) Rec. ITU-R P.1621-1 Propagation data required for the design for Earth-space systems operating atmospheric refractive index Rec. ITU-R P.1546-2 Method for point-to-area predictions for Rec. ITU-R P.1621-1 terrestrial services in the frequency range 30 MHz to 3 000 MHz atmospheric wave Rec. ITU-R P.530-11 Propagation data and prediction methods required for the design of terrestrial line-of- sight systems attenuation in vegetation Rec.ITU-R P.1406-0 Propagation effects relating to terrestrial land mobile service in the VHF and UHF bands attenuation or fade event Rec. ITU-R P.530-11 Propagation data and prediction methods required for the design of terrestrial line-of- sight systems attenuation, loss Rec. ITU-R P.452-12 Prediction procedure for the evaluation of Rec. ITU-R P.530-11 microwave interference between stations on Rec. ITU-R P.532-1 the surface of the Earth at frequencies Rec. ITU-R P.534-4 above about 0.7 GHz* Rec. ITU-R P.618-8 Rec. ITU-R P.679-3 Rec. ITU-R P.680-3 Rec. ITU-R P.681-6 Rec. ITU-R P.1060-0 Rec. ITU-R P.1409-0 Rec. ITU-R P.1623-1 aural identification Rec. ITU-R P.845-3 HF field strength measurement auroral Rec. ITU-R P.531-8 Ionospheric propagation data and prediction Rec. ITU-R P.533-8 methods required for the design of Rec. ITU-R P.619-1 satellite services and systems Rec. ITU-R P.679-3 Rec. ITU-R P.843-1 Rec. ITU-R P.844-1 auroral electrojet Rec. ITU-R P.532-1 Ionospheric Effects and Operational Considerations Associated with the Artificial Modification of the Ionosphere and the Radio Wave Channel auroral zones Rec. ITU-R P.618-8 Propagation data and prediction methods Rec. ITU-R P.680-3 required for the design of Earth-space Rec. ITU-R P.682-1 telecommunication systems auxiliary contours Rec. ITU-R P.620-6 Propagation data required for the evaluation Rec.ITU-R P.1448-0 of coordination distances in the frequency range 100 MHz to 105 GHz available noise power reference Rec. ITU-R P.372-8 Radio Noise temperature (to) average annual worst-month Rec. ITU-R P.581-2 The concept of the worst-month average value of atmospheric Rec. ITU-R P.453-9 The Radio refractive index its formulae and refractivity refractive data azimuth Rec. ITU-R P.619-1 Propagation Data required for the Evaluation Rec. ITU-R P.620-6 of Interference between Stations in Space Rec. ITU-R P.845-3 ant those on the Surface of the Earth azimuth angle Rec. ITU-R P.533-8 HF propagation prediction method Rec. ITU-R P.679-3 Rec. ITU-R P.681-6 b values for various propagations Rec. ITU-R P.841-4 Conversion of annual statistics to worst- effects and locations month statistics back scatter Rec. ITU-R P.532-1 Propagation Data and Prediction Methods Rec. ITU-R P.1409-0 Required for the Design of Systems Using High Altitude Platform Stations At About 47 GHz background Rec. ITU-R P.842-3 Computation of reliability and compatibility of HF radio systems background atmosphere radio Rec. ITU-R P.372-8 Radio Noise noise background level Rec. ITU-R P.845-3 HF field strength measurement background noise Rec. ITU-R P.845-3 HF field strength measurement Rec. ITU-R P.1622-0 background noise power Rec. ITU-R P.1621-1 Propagation data required for the design for Earth-space systems operating background noise temperature Rec. ITU-R P.618-8 Propagation data and prediction methods required for the design of Earth-space telecommunication systems balanced site diversity Rec. ITU-R P.618-8 Propagation data and prediction methods required for the design of Earth-space telecommunication systems bandwidth Rec. ITU-R P.843-1 Communication by Meteor-burst Rec. ITU-R P.845-3 Propagation bandwidth of the receiver Rec. ITU-R P.1621-1 Propagation data required for the design for Earth-space systems operating basic circuit reliability (BCR) Rec. ITU-R P.842-3 Computation of reliability and compatibility of HF radio systems basic communications reliability Rec. ITU-R P.842-3 Computation of reliability and compatibility of (R) HF radio systems basic MUF Rec. ITU-R P.373-8 Definitions of Maximum and Minimum Transmission Frequencies basic path reliability (BPR) Rec. ITU-R P.842-3 Computation of reliability and compatibility of HF radio systems basic reception reliability (BRR) Rec. ITU-R P.842-3 Computation of reliability and compatibility of HF radio systems basic reliability computation Rec. ITU-R P.842-3 Computation of reliability and compatibility of HF radio systems basic service reliability (BSR) Rec. ITU-R P.842-3 Computation of reliability and compatibility of HF radio systems basic transmission loss Rec. ITU-R P.619-1 Propagation Data required for the Evaluation Rec. ITU-R P.620-6 of Interference between Stations in Space Rec. ITU-R P.843-1 ant those on the Surface of the Earth beam avoidance angle Rec. ITU-R P.620-6 Propagation data required for the evaluation of coordination distances in the frequency range 100 MHz to 105 GHz beam spreading Rec. ITU-R P.530-11 Propagation Data required for the Evaluation Rec. ITU-R P.618-8 of Interference between Stations in Space Rec. ITU-R P.619-1 ant those on the Surface of the Earth Rec. ITU-R P.1622-0 beam wander Rec. ITU-R P.1622-0 Prediction methods required for the design of Earth-space systems operating between 20 THz and 375 THz beamwidth Rec. ITU-R P.1622-0 Prediction methods required for the design of Earth-space systems operating between 20 THz and 375 THz bi-linear interpolation Rec. ITU-R P.1510-0 Annual mean surface temperature bistatic radar equation Rec. ITU-R P.620-6 Propagation data required for the evaluation of coordination distances in the frequency range 100 MHz to 105 GHz bistatic scatter Rec.ITU-R P.1412-0 Propagation data for the evaluation of coordination between Earth station in working in the bidirectionally allocated frequency bands bit error ratio (BER) Rec. ITU-R P.530-11 Propagation data and prediction methods required for the design of terrestrial line-of- sight systems blockage Rec. ITU-R P.681-6 Propagation data required for the design of Earth-space land mobile telecommunication systems body loss Rec.ITU-R P.1406-0 Propagation effects relating to terrestrial land mobile service in the VHF and UHF bands boresight Rec. ITU-R P.530-11 Propagation data and prediction methods Rec. ITU-R P.618-8 required for the design of terrestrial line-of- Rec. ITU-R P.682-1 sight systems Rec. ITU-R P.680-3 boundary of geometric shadow Rec. ITU-R P.526-10 Propagation by Diffraction brightness temperature Rec. ITU-R P.372-8 Radio Noise brightness temperature due to Rec. ITU-R P.372-8 Radio Noise extra-terrestre sources broadband wireless Rec.ITU-R P.1410-3 Propagation data and prediction methods access (BWA). required for the design of terrestrial broadband millimetric radio access systems operating in frequency range of about 20-50 GHz broadcast / broadcasting Rec. ITU-R P.525-2 Propagation data required for the design of Rec. ITU-R P.679-3 broadcasting-satellite systems broadcast reliability Rec. ITU-R P.842-3 Computation of reliability and compatibility of HF radio systems broadcast services in the LF and Rec.ITU-R P. 435-7 Sky-wave field-strenght prediction method MF bands for Broadcasting Service in the Frequency range 150 to 1600KHz. broadside Rec. ITU-R P.684-4 Prediction of field strength at frequencies below about 150 kHz building entry loss Rec.ITUR P. 311-12 Acquisition, presentation and analysis of Rec. ITU-R P.679-3 data in studies of tropospheric propagation business curves Rec. ITU-R P.372-8 Radio Noise calculation by nomograms Rec. ITU-R P.526-10 Propagation by Diffraction carrier to noise ratio (C/N) Rec. ITU-R P.530-11 Propagation data required for the design of Rec. ITU-R P.679-3 broadcasting-satellite systems Rec. ITU-R P.680-3 carrier-to-interference ratio Rec. ITU-R P.530-11 Propagation data and prediction methods required for the design of terrestrial line-of- sight systems cascaded cylinder method Rec. ITU-R P.526-10 Propagation by Diffraction cascaded knife edge method Rec. ITU-R P.526-10 Propagation by Diffraction celestial radio sources Rec. ITU-R P.372-8 Radio Noise centrally-fed cell Rec.ITU-R P.1410-3 Propagation data and prediction methods required for the design of terrestrial broadband millimetric radio access systems operating in frequency range of about 20-50 GHz channel Rec. ITU-R P.452-12 Prediction procedure for the evaluation of microwave interference between stations on the surface of the Earth at frequencies above about 0.7 GHz* channel capacity, C Rec. ITU-R P.843-1 Communication by Meteor-burst Propagation channel distortion Rec.ITU-R P.1410-3 Propagation data and prediction methods required for the design of terrestrial broadband millimetric radio access systems operating in frequency range of about 20-50 GHz channel impulse response (CIR) Rec.ITU-R P.1406-0 Propagation effects relating to terrestrial land mobile service in the VHF and UHF bands circuit compatibility (CC) Rec. ITU-R P.842-3 Computation of reliability and compatibility of HF radio systems circuit reliability Rec. ITU-R P.842-3 Computation of reliability and compatibility of HF radio systems circular polarization Rec. ITU-R P.525-2 Calculation of Free Space Attenuation Rec. ITU-R P.530-11 Rec. ITU-R P.618-8 Rec. ITU-R P.680-3 Rec. ITU-R P.682-1 Rec. ITU-R P.845-3 clear air, clear sky Rec. ITU-R P.452-12 Prediction procedure for the evaluation of Rec. ITU-R P.530-11 microwave interference between stations on Rec. ITU-R P.618-8 the surface of the Earth at frequencies Rec. ITU-R P.619-1 above about 0.7 GHz* Rec. ITU-R P.620-6 clear line-of-sight condition Rec. ITU-R P.681-6 Propagation data required for the design of Earth-space land mobile telecommunication systems clear-air spot measurement data Rec.ITUR P. 311-12 Acquisition, presentation and analysis of data in studies of tropospheric propagation clear-air trans-horizon basic Rec.ITUR P. 311-12 Acquisition, presentation and analysis of transmission loss statistitics data in studies of tropospheric propagation climatic Rec. ITU-R P.1623-1 Prediction method of fade dynamics on Earth-space paths climatic regions Rec. ITU-R P.1546-2 Method for point-to-area predictions for terrestrial services in the frequency range 30 MHz to 3 000 MHz climatic zones Rec. ITU-R P.618-8 Propagation data and prediction methods required for the design of Earth-space telecommunication systems cloud attenuation Rec. ITU-R P.840-3 Attenuation due to Cloud and Fog clutter Rec. ITU-R P.452-12 Prediction procedure for the evaluation of Rec. ITU-R P.844-1 microwave interference between stations on Rec. ITU-R P.1546-2 the surface of the Earth at frequencies above about 0.7 GHz* clutter height Rec. ITU-R P.1546-2 Method for point-to-area predictions for terrestrial services in the frequency range 30 MHz to 3 000 MHz clutter loss Rec.ITU-R P.1406-0 Propagation effects relating to terrestrial land mobile service in the VHF and UHF bands coastal areas Rec. ITU-R P.618-8 Propagation data and prediction methods required for the design of Earth-space telecommunication systems coastal land Rec. ITU-R P.620-6 Propagation data required for the evaluation of coordination distances in the frequency range 100 MHz to 105 GHz coastal land zones Rec. ITU-R P.1546-2 Method for point-to-area predictions for terrestrial services in the frequency range 30 MHz to 3 000 MHz co-channal transmission Rec. ITU-R P.372-8 Radio Noise Rec. ITU-R P.842-3 co-channel interference Rec. ITU-R P.532-1 Ionospheric Effects and Operational Considerations Associated with the Artificial Modification of the Ionosphere and the Radio Wave Channel co-channel signal Rec. ITU-R P.845-3 HF field strength measurement coherence bandwidth Rec. ITU-R P.843-1 Communication by Meteor-burst Rec. ITU-R P.846-1 Propagation coherent transmission systems Rec. ITU-R P.618-8 Propagation data and prediction methods required for the design of Earth-space telecommunication systems cold seas Rec. ITU-R P.620-6 Propagation data required for the evaluation Rec.ITU-R P.1448-0 of coordination distances in the frequency range 100 MHz to 105 GHz collision frequency Rec. ITU-R P.532-1 Ionospheric Effects and Operational Rec. ITU-R P.684-4 Considerations Associated with the Artificial Modification of the Ionosphere and the Radio Wave Channel co-located Rec. ITU-R P.619-1 Propagation Data required for the Evaluation of Interference between Stations in Space ant those on the Surface of the Earth communications reliability Rec. ITU-R P.842-3 Computation of reliability and compatibility of HF radio systems compatibility Rec. ITU-R P.842-3 Computation of reliability and compatibility of HF radio systems computer-data Rec.ITUR P. 311-12 Acquisition, presentation and analysis of data in studies of tropospheric propagation conductivity of the ground Rec. ITU-R P.527-3 Electrical characteristics of the surface of the Earth continental sub-tropical Rec. ITU-R P.617-1 PROPAGATION PREDICTION TECHNIQUES AND DATA REQUIRED FOR THE DESIGN OF TRANS- HORIZON RADIO-RELAY SYSTEMS continental temperate Rec. ITU-R P.617-1 PROPAGATION PREDICTION TECHNIQUES AND DATA REQUIRED FOR THE DESIGN OF TRANS- HORIZON RADIO-RELAY SYSTEMS control points Rec. ITU-R P.533-8 HF propagation prediction method coordination area Rec. ITU-R P.620-6 Propagation data required for the evaluation of coordination distances in the frequency range 100 MHz to 105 GHz coordination contour Rec. ITU-R P.620-6 Propagation data required for the evaluation of coordination distances in the frequency range 100 MHz to 105 GHz coordination distance Rec. ITU-R P.620-6 Propagation Data and Prediction Methods Rec. ITU-R P.1409-0 Required for the Design of Systems Using High Altitude Platform Stations At About 47 GHz co-polar attenuation (CPA) Rec. ITU-R P.530-11 Propagation data and prediction methods required for the design of terrestrial line-of- sight systems co-primary allocations Rec.ITU-R P.1448-0 Determination of the coordination of the area around an Earth station the frequency bands between 100 MHZ and 105 GHz corrected measured Rec.ITU-R P.1148-1 Standardizing procedure for cmparing predicted and oberved HF sky-wave observed HF signal intensities and the presentation of such comparisons correlation bandwidth Rec. ITU-R P.682-1 Propagation Data Required for the Design of Earth-Space Aeronautical Mobile Telecommunication Systems count Rec.ITU-R P.1148-1 Standardizing procedure for comparing predicted and oberved HF sky-wave observed HF signal intensities and the presentation of such comparisons coupling loss Rec. ITU-R P.617-1 PROPAGATION PREDICTION Rec. ITU-R P.618-8 TECHNIQUES AND DATA REQUIRED Rec. ITU-R P.845-3 FOR THE DESIGN OF TRANS- HORIZON RADIO-RELAY SYSTEMS critical angle Rec. ITU-R P.620-6 Propagation data required for the evaluation of coordination distances in the frequency range 100 MHz to 105 GHz critical frequency Rec. ITU-R P.532-1 Method of Calculating sporatic E Field Rec. ITU-R P.533-8 Strength Rec. ITU-R P.534-4 critical frequency of sporadic-E Rec. ITU-R P.534-4 Method of Calculating sporatic E Field (foEs) Strength critical points Rec. ITU-R P.684-4 Prediction of field strength at frequencies below about 150 kHz cross polar interference canceller Rec. ITU-R P.530-11 Propagation data and prediction methods (XPIC) required for the design of terrestrial line-of- sight systems cross-correlation Rec.ITU-R P.1406-0 Propagation effects relating to terrestrial land mobile service in the VHF and UHF bands cross-modulation Rec. ITU-R P.532-1 Ionospheric Effects and Operational Considerations Associated with the Artificial Modification of the Ionosphere and the Radio Wave Channel cross-polar isolation (XPI) Rec. ITU-R P.530-11 Propagation data and prediction methods required for the design of terrestrial line-of- sight systems cross-polarization channel Rec. ITU-R P.531-8 Ionospheric propagation data and prediction methods required for the design of satellite services and systems cross-polarization discrimination Rec. ITU-R P.530-11 Propagation data and prediction methods (XPD) Rec. ITU-R P.531-8 required for the design of terrestrial line-of- Rec. ITU-R P.618-8 sight systems cross-polarization improvement Rec. ITU-R P.530-11 Propagation data and prediction methods factor (XPIF) required for the design of terrestrial line-of- sight systems cumulative distribution function Rec. ITU-R P.1407-2 Multipath propagation parametrization of its (CDF) characteristics cumulative exceedance Rec.ITUR P. 311-12 Acquisition, presentation and analysis of probability data in studies of tropospheric propagation cumulative statistics of Rec.ITUR P. 311-12 Acquisition, presentation and analysis of propagation phenomena data in studies of tropospheric propagation cut-off frequency Rec.ITUR P. 311-12 Acquisition, presentation and analysis of data in studies of tropospheric propagation cymomotive force Rec.ITU-R P. 435-7 Rec. Sky-wave field-strenght prediction method ITU-R P.525-2 Rec. ITU- for Broadcasting Service in the Frequency R P.684-4 range 150 to 1600KHz. D layer Rec. ITU-R P.684-4 Prediction of field strength at frequencies below about 150 kHz D regions. Rec. ITU-R P.532-1 Ionospheric Effects and Operational Considerations Associated with the Artificial Modification of the Ionosphere and the Radio Wave Channel data for mobile-satellite services Rec.ITUR P. 311-12 Acquisition, presentation and analysis of data in studies of tropospheric propagation day-to-day and short-period Rec.ITU-R P. 435-7 Sky-wave field-strenght prediction method variations of night-time field for Broadcasting Service in the Frequency strength range 150 to 1600KHz. decay factor Rec.ITU-R P.1411-3 Propagation data and prediction methods for the planning of short-range outdoor radiocommunication systems and radio local area networks in the frequency range 300 MHz to 100 GHz decay-rate Rec.ITU-R P.1411-3 Propagation data and prediction methods for the planning of short-range outdoor radiocommunication systems and radio local area networks in the frequency range 300 MHz to 100 GHz decile Rec. ITU-R P.372-8 Radio Noise Rec. ITU-R P.373-8 Rec. ITU-R P.845-3 decile deviation Rec. ITU-R P.372-8 Radio Noise Rec. ITU-R P.533-8 declination(d) Rec. ITU-R P.372-8 Radio Noise deep space Rec. ITU-R P.1622-0 Prediction methods required for the design of Earth-space systems operating between 20 THz and 375 THz defocus Rec. ITU-R P.530-11 Ionospheric propagation data and prediction Rec. ITU-R P.531-8 methods required for the design of Rec. ITU-R P.619-1 satellite services and systems delay doppler spread function Rec. ITU-R P.1407-2 Multipath propagation parametrization of its characteristics delay spread Rec. ITU-R P.682-1 Communication by Meteor-burst Rec. ITU-R P.843-1 Propagation delay window Rec.ITU-R P.1321-0 Propagation factor affecting systems using digital modulation techniques at LF and MF demodulation Rec. ITU-R P.532-1 Ionospheric Effects and Operational Considerations Associated with the Artificial Modification of the Ionosphere and the Radio Wave Channel dense urban area Rec. ITU-R P.1546-2 Method for point-to-area predictions for terrestrial services in the frequency range 30 MHz to 3 000 MHz depolarization Rec. ITU-R P.618-8 Propagation data and prediction methods Rec. ITU-R P.679-3 required for the design of Earth-space telecommunication systems desert Rec. ITU-R P.617-1 PROPAGATION PREDICTION TECHNIQUES AND DATA REQUIRED FOR THE DESIGN OF TRANS- HORIZON RADIO-RELAY SYSTEMS determinantal equation (i.e. the Rec. ITU-R P.684-4 Prediction of field strength at frequencies modal equation) below about 150 kHz Deygout method Rec. ITU-R P.526-10 Propagation by Diffraction differential attenuation Rec. ITU-R P.619-1 Propagation Data required for the Evaluation of Interference between Stations in Space ant those on the Surface of the Earth differential fading Rec. ITU-R P.680-3 Propagation data required for the design of earth-space maritime mobile telecommunication systems differential time delay Rec. ITU-R P.684-4 Prediction of field strength at frequencies below about 150 kHz diffraction Rec. ITU-R P.452-12 Prediction procedure for the evaluation of Rec. ITU-R P.531-8 microwave interference between stations on Rec. ITU-R P.617-1 the surface of the Earth at frequencies Rec. ITU-R P.619-1 above about 0.7 GHz* Rec. ITU-R P.620-6 Rec. ITU-R P.684-4 Rec. ITU-R P.1546-2 diffraction angle(f2) Rec. ITU-R P.526-10 Propagation by Diffraction diffraction by retangular Rec. ITU-R P.526-10 Propagation by Diffraction apertures diffraction by thin screens Rec. ITU-R P.526-10 Propagation by Diffraction diffraction fading Rec. ITU-R P.530-11 Propagation data and prediction methods required for the design of terrestrial line-of- sight systems diffraction field streght formulae Rec. ITU-R P.526-10 Propagation by Diffraction diffraction Loss Rec. ITU-R P.526-10 Propagation by Diffraction Rec. ITU-R P.530-11 diffraction over a spherical Earth Rec. ITU-R P.526-10 Propagation by Diffraction diffraction overfinitly conductivity Rec. ITU-R P.526-10 Propagation by Diffraction wedge diffraction path Rec. ITU-R P.526-10 Propagation by Diffraction diffraction theory Rec. ITU-R P.1621-1 Propagation data required for the design for Earth-space systems operating diffraction Zone Rec. ITU-R P.526-10 Propagation by Diffraction diffuse reflections Rec. ITU-R P.530-11 Propagation data and prediction methods required for the design of terrestrial line-of- sight systems diffusely-scattered Rec. ITU-R P.682-1 Propagation Data Required for the Design of Earth-Space Aeronautical Mobile Telecommunication Systems digital quantization Rec. ITU-R P.845-3 HF field strength measurement digital systems Rec. ITU-R P.372-8 Radio Noise dip angle Rec. ITU-R P.534-4 Method of Calculating sporatic E Field Strength dip equator Rec. ITU-R P.534-4 Method of Calculating sporatic E Field Strength directional antenna Rec. ITU-R P.372-8 Radio Noise discontinuities Rec. ITU-R P.1546-2 Method for point-to-area predictions for terrestrial services in the frequency range 30 MHz to 3 000 MHz discontinuity Rec. ITU-R P.684-4 Prediction of field strength at frequencies below about 150 kHz discrete cosine Rec. ITU-R P.1058-2 Digital topographic database for propagation transformation(DCT) studies dispersion Rec. ITU-R P.531-8 Ionospheric propagation data and prediction Rec. ITU-R P.618-8 methods required for the design of Rec. ITU-R P.679-3 satellite services and systems dispersive effects Rec. ITU-R P.676-7 Attenuation by atmospheric gases dissipated Rec. ITU-R P.1060-0 Propagation factors affecting frequency sharing in HF terrestrial systems distortion Rec. ITU-R P.530-11 Propagation data and prediction methods Rec. ITU-R P.680-3 required for the design of terrestrial line-of- Rec. ITU-R P.845-3 sight systems distributuion* Rec. ITU-R P.452-12 Prediction procedure for the evaluation of microwave interference between stations on the surface of the Earth at frequencies above about 0.7 GHz* disturbing wave Rec. ITU-R P.532-1 Ionospheric Effects and Operational Considerations Associated with the Artificial Modification of the Ionosphere and the Radio Wave Channel divergence factor Rec. ITU-R P.684-4 Prediction of field strength at frequencies Rec. ITU-R P.530-11 below about 150 kHz diversity Rec. ITU-R P.452-12 Prediction procedure for the evaluation of Rec. ITU-R P.617-1 microwave interference between stations on Rec. ITU-R P.1409-0 the surface of the Earth at frequencies above about 0.7 GHz* diversity gain Rec. ITU-R P.618-8 Propagation data and prediction methods required for the design of Earth-space telecommunication systems doppler effects Rec. ITU-R P.531-8 Ionospheric propagation data and prediction methods required for the design of satellite services and systems doppler frequency shift Rec. ITU-R P.843-1 Communication by Meteor-burst Propagation doppler shift Rec. ITU-R P.1060-0 Propagation factors affecting frequency sharing in HF terrestrial systems doppler spectra Rec. ITU-R P.1407-2 Multipath propagation parametrization of its characteristics doppler spreads Rec. ITU-R P.682-1 Propagation Data Required for the Design of Earth-Space Aeronautical Mobile Telecommunication Systems double isolated edges Rec. ITU-R P.526-10 Propagation by Diffraction downlink Rec. ITU-R P.618-8 Multipath propagation parametrization of its Rec. ITU-R P.680-3 characteristics Rec. ITU-R P.1407-2 down-time Rec.ITUR P. 311-12 Acquisition, presentation and analysis of data in studies of tropospheric propagation drop size distribution Rec. ITU-R P.1623-1 Prediction method of fade dynamics on Earth-space paths dry air molar mass Rec. ITU-R P.834-6 Effects of Tropospheric Refaction on the Radiowave Propagation dry atmosphere for attenuation Rec. ITU-R P.835-4 Reference Standard Atmosphere conditions ducting Rec. ITU-R P.530-11 Prediction procedure for the evaluation of Rec. ITU-R P.452-12 microwave interference between stations on Rec. ITU-R P.617-1 the surface of the Earth at frequencies Rec. ITU-R P.619-1 above about 0.7 GHz* Rec. ITU-R P.620-6 Rec. ITU-R P.1409-0 ducting layers Rec. ITU-R P.834-6 Effects of Tropospheric Refaction on the Radiowave Propagation duration events Rec. ITU-R P.681-6 Propagation data required for the design of Earth-space land mobile telecommunication systems dynamic effects Rec. ITU-R P.833-5 Attenuation in Vegetation dynamic frequency sharing Rec. ITU-R P.1060-0 Propagation factors affecting frequency sharing in HF terrestrial systems E layer / E-layer Rec. ITU-R P.371-8 Method of Calculating sporatic E Field Rec.ITU-R P. 434-6 Rec. Strength ITU-R P.533-8 Rec. ITU- R P.534-4 Rec. ITU-R P.684-4 E regions. Rec. ITU-R P.532-1 Ionospheric Effects and Operational Considerations Associated with the Artificial Modification of the Ionosphere and the Radio Wave Channel E(2000)MUF Rec.ITU-R P. 434-6 ITU-R Reference Ionospheric Characteristics and Methods of Basic MUF Operational MUF and Ray-path Prediction Earth- satellite paths Rec. ITU-R P.453-9 The Radio refractive index its formulae and refractive data earth station / earth-station Rec. ITU-R P.620-6 Propagation data required for the evaluation Rec. ITU-R P.618-8 of coordination distances in the frequency range 100 MHz to 105 GHz Earth-coverage antenna pattern Rec. ITU-R P.372-8 Radio Noise Earth-space Rec. ITU-R P.618-8 Propagation data and prediction methods Rec. ITU-R P.679-3 required for the design of Earth-space Rec. ITU-R P.680-3 telecommunication systems Rec. ITU-R P.682-1 Earth-space land mobile systems Rec. ITU-R P.681-6 Propagation data required for the design of Earth-space land mobile telecommunication systems Earth-space path Rec. ITU-R P.676-7 Attenuation by atmospheric gases Earth-space path data Rec.ITUR P. 311-12 Acquisition, presentation and analysis of data in studies of tropospheric propagation echo Rec. ITU-R P.843-1 Communication by Meteor-burst Propagation echoing area Rec. ITU-R P.843-1 Communication by Meteor-burst Propagation echo-time constant Rec. ITU-R P.843-1 Communication by Meteor-burst Propagation effect of the vertical radiation Rec.ITU-R P.1321-0 Propagation factor affecting systems using pattern digital modulation techniques at LF and MF effective antenna temperature Rec. ITU-R P.372-8 Radio Noise effective atmospheric refractive Rec. ITU-R P.1621-1 Propagation data required for the design for index Earth-space systems operating effective earth radius/ effective Rec. ITU-R P.452-12 Prediction procedure for the evaluation of radius of the Earth Rec. ITU-R P.526-10 microwave interference between stations on Rec. ITU-R P.530-11 the surface of the Earth at frequencies Rec. ITU-R P.534-4 above about 0.7 GHz* Rec. ITU-R P.617-1 Rec. ITU-R P.618-8 Rec. ITU-R P.620-6 Rec. ITU-R P.684-4 Rec. ITU-R P.1546-2 effective Earth-radius factor Rec. ITU-R P.526-10 Propagation by Diffraction effective emissivity of the Rec. ITU-R P.372-8 Radio Noise surface(є) effective height of the Rec. ITU-R P.1546-2 Method for point-to-area predictions for transmitting/base antenna terrestrial services in the frequency range 30 MHz to 3 000 MHz effective height of the turbulence Rec. ITU-R P.1621-1 Propagation data required for the design for Rec. ITU-R P.1622-0 Earth-space systems operating effective length Rec. ITU-R P.843-1 Communication by Meteor-burst Propagation effective radiated power (e.r.p.) Rec. ITU-R P.1546-2 Method for point-to-area predictions for Rec. ITU-R P.532-1 terrestrial services in the frequency range 30 MHz to 3 000 MHz effective radio path length Rec. ITU-R P.834-6 Effects of Tropospheric Refaction on the Radiowave Propagation effective rain height Rec. ITU-R P.620-6 Propagation data required for the evaluation of coordination distances in the frequency range 100 MHz to 105 GHz effective reflection coefficient Rec. ITU-R P.530-11 Propagation data and prediction methods Rec. ITU-R P.684-4 required for the design of terrestrial line-of- Rec. ITU-R P.372-8 sight systems effective surface reflection Rec. ITU-R P.530-11 Propagation data and prediction methods coefficient required for the design of terrestrial line-of- sight systems effective temperature Rec. ITU-R P.618-8 Propagation data and prediction methods required for the design of Earth-space telecommunication systems effective terrain clearance angle Rec. ITU-R P.1546-2 Method for point-to-area predictions for terrestrial services in the frequency range 30 MHz to 3 000 MHz EHF Rec. ITU-R P.530-11 Propagation data and prediction methods required for the design of terrestrial line-of- sight systems eigenangles Rec. ITU-R P.684-4 Prediction of field strength at frequencies below about 150 kHz Electrical characteristics Rec. ITU-R P.527-3 Electrical characteristics of the surface of the Earth Electrical charcteristcs of the Rec. ITU-R P.526-10 Propagation by Diffraction surface of the Earth Electrical field components Rec. ITU-R P.525-2 Calculation of Free Space Attenuation Electrical machinery Rec. ITU-R P.372-8 Radio Noise Electromagnetic energy Rec. ITU-R P.1621-1 Propagation data required for the design for Earth-space systems operating electromagnetic interference Rec. ITU-R P.452-12 Prediction procedure for the evaluation of microwave interference between stations on the surface of the Earth at frequencies above about 0.7 GHz* electron collisional process Rec. ITU-R P.532-1 Ionospheric Effects and Operational Considerations Associated with the Artificial Modification of the Ionosphere and the Radio Wave Channel electron temperature Rec. ITU-R P.532-1 Ionospheric Effects and Operational Considerations Associated with the Artificial Modification of the Ionosphere and the Radio Wave Channel Elevated ducts. Rec. ITU-R P.453-9 The Radio refractive index its formulae and refractive data Elevated surface Rec. ITU-R P.453-9 The Radio refractive index its formulae and refractive data elevation angle Rec. ITU-R P.372-8 Radio Noise Rec. ITU-R P.530-11 Rec. ITU-R P.533-8 Rec. ITU-R P.618-8 Rec. ITU-R P.620-6 Rec. ITU-R P.619-1 Rec. ITU-R P.679-3 Rec. ITU-R P.680-3 Rec. ITU-R P.681-6 Rec. ITU-R P.682-1 Rec. ITU-R P.684-4 Rec. ITU-R P.845-3 Rec. ITU-R P.1060-0 Rec. ITU-R P.1409-0 Rec. ITU-R P.1546-2 Rec. ITU-R P.1622-0 Rec. ITU-R P.1623-1 ELF Rec. ITU-R P.532-1 Ionospheric Effects and Operational Rec. ITU-R P.684-4 Considerations Associated with the Artificial Modification of the Ionosphere and the Radio Wave Channel eliptical polarization Rec. ITU-R P.525-2 Calculation of Free Space Attenuation elliptically polarized Rec. ITU-R P.680-3 Propagation data required for the design of earth-space maritime mobile telecommunication systems emissions from atmosphere Rec. ITU-R P.372-8 Radio Noise gases empirical correction Rec. ITU-R P.526-10 Propagation by Diffraction end fire Rec. ITU-R P.684-4 Prediction of field strength at frequencies below about 150 kHz energy absortion by surface Rec. ITU-R P.527-3 Electrical characteristics of the surface of obstacles the Earth energy loss Rec. ITU-R P.527-3 Electrical characteristics of the surface of the Earth enhancement Rec. ITU-R P.452-12 Prediction procedure for the evaluation of Rec. ITU-R P.530-11 microwave interference between stations on Rec. ITU-R P.531-8 the surface of the Earth at frequencies Rec. ITU-R P.618-8 above about 0.7 GHz* Rec. ITU-R P.619-1 Rec. ITU-R P.620-6 Rec. ITU-R P.679-3 Rec. ITU-R P.681-6 equatorial Rec. ITU-R P.617-1 PROPAGATION PREDICTION TECHNIQUES AND DATA REQUIRED FOR THE DESIGN OF TRANS- HORIZON RADIO-RELAY SYSTEMS equinoctial Rec. ITU-R P.531-8 Ionospheric propagation data and prediction methods required for the design of satellite services and systems equinoctial months Rec. ITU-R P.534-4 Method of Calculating sporatic E Field Strength equipment up-time Rec.ITUR P. 311-12 Acquisition, presentation and analysis of data in studies of tropospheric propagation equivalent basic transmission Rec. ITU-R P.1546-2 Method for point-to-area predictions for loss terrestrial services in the frequency range 30 MHz to 3 000 MHz equivalent Earth radius Rec. ITU-R P.526-10 Propagation by Diffraction equivalent isotropically radiatedRec. ITU-R P.525-2 Calculation of Free Space Attenuation power (e.i.r.p.) Rec. ITU-R P.532-1 Rec. ITU-R P.533-8 Rec. ITU-R P.1409-0 equivalent median sky-wave field Rec. ITU-R P.533-8 HF propagation prediction method strength equivalent slab thickness Rec. ITU-R P.531-8 Ionospheric propagation data and prediction methods required for the design of satellite services and systems equivalent-incident field strength Rec. ITU-R P.845-3 HF field strength measurement exceedance Rec. ITU-R P.452-12 Propagation data and prediction methods Rec. ITU-R P.530-11 required for the design of terrestrial line-of- Rec. ITU-R P.617-1 sight systems Rec. ITU-R P.618-8 Rec. ITU-R P.619-1 Rec. ITU-R P.1623-1 excess polarization-coupling loss Rec.ITU-R P. 435-7 Sky-wave field-strenght prediction method for Broadcasting Service in the Frequency range 150 to 1600KHz. Excess time delay(mseg) Rec. ITU-R P.1407-2 Multipath propagation parametrization of its characteristics Expected values of atmosphere Rec. ITU-R P.372-8 Radio Noise radio noise External noise factor(fa) Rec. ITU-R P.372-8 Radio Noise External Wedge(n) Rec. ITU-R P.526-10 Propagation by Diffraction extraordinary waves Rec. ITU-R P.532-1 Ionospheric Effects and Operational Considerations Associated with the Artificial Modification of the Ionosphere and the Radio Wave Channel F region / F-region Rec.ITU-R P. 434-6 Rec. ITU-R Reference Ionospheric ITU-R P.532-1 Characteristics and Methods of Basic MUF Operational MUF and Ray-path Prediction F1 layer Rec.ITU-R P. 434-6 ITU-R Reference Ionospheric Characteristics and Methods of Basic MUF Operational MUF and Ray-path Prediction F2 layer Rec.ITU-R P. 434-6 Rec. Method of Calculating sporatic E Field ITU-R P.533-8 Rec. ITU- Strength R P.534-4 Rec. ITU-R P.844-1 F2-layer numerical maps Rec.ITU-R P. 434-6 ITU-R Reference Ionospheric Characteristics and Methods of Basic MUF Operational MUF and Ray-path Prediction fade / fading Rec. ITU-R P.452-12 Prediction procedure for the evaluation of Rec. ITU-R P.530-11 microwave interference between stations on Rec. ITU-R P.532-1 the surface of the Earth at frequencies Rec. ITU-R P.533-8 above about 0.7 GHz* Rec. ITU-R P.617-1 Rec. ITU-R P.679-3 Rec. ITU-R P.680-3 Rec. ITU-R P.681-6 Rec. ITU-R P.844-1 Rec. ITU-R P.845-3 Rec. ITU-R P.1060-0 Rec. ITU-R P.1623-1 fade / fading depth Rec. ITU-R P.530-11 Prediction method of fade dynamics on Rec. ITU-R P.618-8 Earth-space paths Rec. ITU-R P.680-3 Rec. ITU-R P.682-1 Rec. ITU-R P.1623-1 fade / fading duration Rec. ITU-R P.452-12 Prediction procedure for the evaluation of Rec. ITU-R P.530-11 microwave interference between stations on Rec. ITU-R P.618-8 the surface of the Earth at frequencies Rec. ITU-R P.680-3 above about 0.7 GHz* Rec. ITU-R P.681-6 Rec. ITU-R P.682-1 Rec. ITU-R P.845-3 Rec. ITU-R P.1623-1 fade mitigation technique (FMT) Rec. ITU-R P.452-12 Prediction method of fade dynamics on Rec. ITU-R P.1623-1 Earth-space paths fade rates Rec. ITU-R P.618-8 Propagation data and prediction methods required for the design of Earth-space telecommunication systems fade slope Rec.ITUR P. 311-12 Acquisition, presentation and analysis of Rec. ITU-R P.1623-1 data in studies of tropospheric propagation Faraday rotation Rec. ITU-R P.531-8 Ionospheric propagation data and prediction Rec. ITU-R P.618-8 methods required for the design of Rec. ITU-R P.619-1 satellite services and systems Rec. ITU-R P.679-3 Rec. ITU-R P.680-3 Rec. ITU-R P.843-1 Rec. ITU-R P.845-3 Rec. ITU-R P.846-1 Rec. ITU-R P.1409-0 far-field region Rec. ITU-R P.845-3 HF field strength measurement field strength /field-strength Rec.ITU-R P. 370-7 PROPAGATION PREDICTION Rec.ITU-R P. 435-7 Rec. TECHNIQUES AND DATA REQUIRED ITU-R P.534-4 Rec. ITU- FOR THE DESIGN OF TRANS- R P.617-1 Rec. ITU-R HORIZON RADIO-RELAY SYSTEMS P.679-3 Rec. ITU-R P.684-4 Rec. ITU-R P.845-3 Rec. ITU-R P.1546-2 figure of merit of performance Rec. ITU-R P.842-3 Computation of reliability and compatibility of HF radio systems First order longitude Rec.ITU-R P.1239-0 ITU-R Reference Ionospheric characteristics Fitted values dt Rec. ITU-R P.833-5 Attenuation in Vegetation Fitted values of a Rec. ITU-R P.833-5 Attenuation in Vegetation Fitted values of albedo Rec. ITU-R P.833-5 Attenuation in Vegetation Fitted values of b Rec. ITU-R P.833-5 Attenuation in Vegetation fixed services Rec. ITU-R P.1060-0 Propagation factors affecting frequency sharing in HF terrestrial systems fixed-satellite service (FSS) Rec. ITU-R P.619-1 Propagation Data required for the Evaluation Rec. ITU-R P.679-3 of Interference between Stations in Space Rec. ITU-R P.680-3 ant those on the Surface of the Earth Rec. ITU-R P.681-6 Rec. ITU-R P.682-1 Rec. ITU-R P.1409-0 flat fading Rec. ITU-R P.619-1 Propagation Data required for the Evaluation of Interference between Stations in Space ant those on the Surface of the Earth focus the radio waves Rec. ITU-R P.531-8 Ionospheric propagation data and prediction methods required for the design of satellite services and systems Focusing and defocusing of wave Rec. ITU-R P.834-6 Effects of Tropospheric Refaction on the propagation Radiowave Propagation focusing factor Rec. ITU-R P.684-4 Prediction of field strength at frequencies below about 150 kHz foE Rec. ITU-R P.684-4 Prediction of field strength at frequencies below about 150 kHz Fog attenuation Rec. ITU-R P.840-3 Attenuation due to Cloud and Fog forward scattering Rec. ITU-R P.531-8 Ionospheric propagation data and prediction methods required for the design of satellite services and systems forward-error correction (FEC) Rec. ITU-R P.530-11 Propagation data and prediction methods required for the design of terrestrial line-of- sight systems free space Rec. ITU-R P.684-4 Prediction of field strength at frequencies below about 150 kHz free-space attenuation / loss Rec. ITU-R P.525-2 Calculation of Free Space Attenuation Rec. ITU-R P.620-6 Free-space basic transmission Rec. ITU-R P.525-2 Calculation of Free Space Attenuation loss for a radar system free-space path loss Rec. ITU-R P.1409-0 Propagation Data and Prediction Methods Required for the Design of Systems Using High Altitude Platform Stations At About 47 GHz Frequency Rec. ITU-R P.372-8 Radio Noise frequency band selection Rec.ITU-R P. 434-6 ITU-R Reference Ionospheric Characteristics and Methods of Basic MUF Operational MUF and Ray-path Prediction frequency diversity Rec. ITU-R P.530-11 Propagation data and prediction methods Rec. ITU-R P.617-1 required for the design of terrestrial line-of- sight systems frequency sharing Rec. ITU-R P.531-8 Ionospheric propagation data and prediction Rec. ITU-R P.1060-0 methods required for the design of satellite services and systems frequency shift-keying Rec. ITU-R P.845-3 HF field strength measurement Fresnel clearance distance Rec. ITU-R P.681-6 Propagation data required for the design of Rec. ITU-R P.1546-2 Earth-space land mobile telecommunication systems Fresnel ellipsoid Rec. ITU-R P.530-11 Propagation data and prediction methods Rec. ITU-R P.526-10 required for the design of terrestrial line-of- sight systems Fresnel Integrals Rec. ITU-R P.526-10 Propagation by Diffraction Fresnel reflection coefficient Rec. ITU-R P.680-3 Propagation data required for the design of Rec. ITU-R P.682-1 earth-space maritime mobile telecommunication systems Fresnel zone Rec. ITU-R P.452-12 Prediction procedure for the evaluation of Rec. ITU-R P.526-10 microwave interference between stations on Rec. ITU-R P.530-11 the surface of the Earth at frequencies Rec. ITU-R P.681-6 above about 0.7 GHz* Rec. ITU-R P.843-1 Rec. ITU-R P.1546-2 fully blocked condition Rec. ITU-R P.681-6 Propagation data required for the design of Earth-space land mobile telecommunication systems galactic background Rec. ITU-R P.618-8 Propagation data and prediction methods required for the design of Earth-space telecommunication systems galactic noise Rec. ITU-R P.372-8 HF propagation prediction method Rec. ITU-R P.533-8 Rec. ITU-R P.842-3 gaseous absorbtion Rec. ITU-R P.452-12 Prediction procedure for the evaluation of Rec. ITU-R P.619-1 microwave interference between stations on Rec. ITU-R P.620-6 the surface of the Earth at frequencies Rec. ITU-R P.679-3 above about 0.7 GHz* Rec. ITU-R P.680-3 Rec. ITU-R P.681-6 Rec. ITU-R P.1409-0 gaseous attenuation Rec. ITU-R P.682-1 Propagation Data Required for the Design of Earth-Space Aeronautical Mobile Telecommunication Systems geoclimatic factor K Rec. ITU-R P.530-11 Propagation data and prediction methods Rec. ITU-R P.618-8 required for the design of terrestrial line-of- sight systems geoclimatic regions Rec. ITU-R P.530-11 Propagation data and prediction methods required for the design of terrestrial line-of- sight systems Geodetic datum Rec. ITU-R P.1058-2 Digital topographic database for propagation studies Geographic coordinate functions Rec.ITU-R P. 434-6 ITU-R Reference Ionospheric Gk (l, q) Characteristics and Methods of Basic MUF Operational MUF and Ray-path Prediction geomagnetic Rec. ITU-R P.534-4 Method of Calculating sporatic E Field Rec. ITU-R P.846-1 Strength geomagnetic disturbances Rec. ITU-R P.844-1 Ionospheric factors affecting frequency sharing in the VHF and UHF bands (30 MHz- 3 GHz) geomagnetic equator Rec. ITU-R P.682-1 Propagation Data Required for the Design of Rec. ITU-R P.679-3 Earth-Space Aeronautical Mobile Rec. ITU-R P.680-3 Telecommunication Systems geomagnetic field Rec. ITU-R P.684-4 Prediction of field strength at frequencies below about 150 kHz geomagnetic field line Rec. ITU-R P.532-1 Ionospheric Effects and Operational Considerations Associated with the Artificial Modification of the Ionosphere and the Radio Wave Channel geomagnetic latitudes Rec.ITU-R P. 434-6 ITU-R Reference Ionospheric Characteristics and Methods of Basic MUF Operational MUF and Ray-path Prediction geomagnetic pole Rec.ITU-R P. 434-6 ITU-R Reference Ionospheric Characteristics and Methods of Basic MUF Operational MUF and Ray-path Prediction Geometric consideration Rec. ITU-R P.531-8 Ionospheric propagation data and prediction methods required for the design of satellite services and systems Geometry of multipoint obstacles Rec. ITU-R P.526-10 Propagation by Diffraction geostationary (GSO) Rec. ITU-R P.618-8 Propagation data required for the design of Rec. ITU-R P.681-6 Earth-space land mobile telecommunication systems geostationary orbit Rec. ITU-R P.532-1 Ionospheric Effects and Operational Considerations Associated with the Artificial Modification of the Ionosphere and the Radio Wave Channel geostationary satellite Rec. ITU-R P.620-6 Propagation data required for the evaluation Rec. ITU-R P.372-8 of coordination distances in the frequency range 100 MHz to 105 GHz Gold code Rec. ITU-R P.845-3 HF field strength measurement grazing angles Rec. ITU-R P.530-11 Propagation data and prediction methods required for the design of terrestrial line-of- sight systems grazing incidence Rec. ITU-R P.681-6 Propagation data required for the design of Rec. ITU-R P.843-1 Earth-space land mobile telecommunication systems grazing-incidence reflections Rec.ITU-R P.1406-0 Propagation effects relating to terrestrial land mobile service in the VHF and UHF bands great-circle path Rec. ITU-R P.533-8 Propagation data required for the evaluation Rec. ITU-R P.617-1 of coordination distances in the frequency Rec. ITU-R P.620-6 range 100 MHz to 105 GHz Rec. ITU-R P.684-4 Rec. ITU-R P.845-3 Gridpoints Rec. ITU-R P.1510-0 Annual mean surface temperature Ground and obstacles Rec. ITU-R P.372-8 Radio Noise obstructions ground cover Rec. ITU-R P.1546-2 Method for point-to-area predictions for terrestrial services in the frequency range 30 MHz to 3 000 MHz ground diffraction component Rec. ITU-R P.833-5 Attenuation in Vegetation Ground distance D up to dmax Rec.ITU-R P. 434-6 ITU-R Reference Ionospheric Characteristics and Methods of Basic MUF Operational MUF and Ray-path Prediction ground wave Rec. ITU-R P.532-1 Prediction of field strength at frequencies Rec. ITU-R P.684-4 below about 150 kHz Ground-wave propagation Rec. ITU-R P.527-3 Electrical characteristics of the surface of the Earth group delay Rec. ITU-R P.531-8 Ionospheric propagation data and prediction Rec. ITU-R P.846-1 methods required for the design of satellite services and systems group velocity distortion Rec. ITU-R P.531-8 Ionospheric propagation data and prediction methods required for the design of satellite services and systems Guide of propagation diffraction Rec. ITU-R P.526-10 Propagation by Diffraction guided Rec.ITU-R P.1406-0 Propagation effects relating to terrestrial land mobile service in the VHF and UHF bands gyrofrequency Rec.ITU-R P. 434-6 Rec. HF propagation prediction method ITU-R P.533-8 Rec.ITU- R P.1239-0 gyromagnetic frequency Rec. ITU-R P.532-1 Ionospheric Effects and Operational Considerations Associated with the Artificial Modification of the Ionosphere and the Radio Wave Channel height gains Rec. ITU-R P.684-4 Prediction of field strength at frequencies below about 150 kHz Height of base antenna above Rec. ITU-R P.1546-2 Method for point-to-area predictions for terrain height terrestrial services in the frequency range 30 MHz to 3 000 MHz Height of the Earth's surface Rec. ITU-R P.453-9 The Radio refractive index its formulae and above the sea level refractive data HF Rec. ITU-R P.532-1 Ionospheric Effects and Operational Rec. ITU-R P.533-8 Considerations Associated with the Artificial Rec. ITU-R P.534-4 Modification of the Ionosphere and the Rec. ITU-R P.684-4 Radio Wave Channel Rec. ITU-R P.843-1 Rec. ITU-R P.845-3 Rec. ITU-R P.1060-0 HF radio-circuit design Rec.ITU-R P. 434-6 ITU-R Reference Ionospheric Characteristics and Methods of Basic MUF Operational MUF and Ray-path Prediction high Earth orbit (HEO) Rec. ITU-R P.681-6 Propagation data required for the design of Earth-space land mobile telecommunication systems High latitude reference Rec. ITU-R P.835-4 Reference Standard Atmosphere atmosphere hop Rec. ITU-R P.533-8 HF propagation prediction method Rec. ITU-R P.534-4 Rec. ITU-R P.684-4 Rec. ITU-R P.1060-0 hop-length Rec.ITU-R P.1240-0 ITU-R methods of basic MUF, operational MUF Horizontal polarization Rec. ITU-R P.372-8 Radio Noise horizontally inhomogeneous Rec. ITU-R P.684-4 Prediction of field strength at frequencies waveguide channel below about 150 kHz hourly loss factor Rec.ITU-R P. 435-7 Sky-wave field-strenght prediction method for Broadcasting Service in the Frequency range 150 to 1600KHz. hydrometeor Rec. ITU-R P.452-12 Prediction procedure for the evaluation of Rec. ITU-R P.530-11 microwave interference between stations on Rec. ITU-R P.531-8 the surface of the Earth at frequencies Rec. ITU-R P.618-8 above about 0.7 GHz* Rec. ITU-R P.619-1 Rec. ITU-R P.620-6 Rec. ITU-R P.679-3 intermediate circular orbit (ICO) Rec. ITU-R P.681-6 Propagation data required for the design of Earth-space land mobile telecommunication systems Impulsive noise amplitude Rec. ITU-R P.372-8 Radio Noise distribution Impulsive noise spectrum Rec. ITU-R P.372-8 Radio Noise amplitude Incidence angle Rec. ITU-R P.372-8 Radio Noise Rec. ITU-R P.526-10 Rec. ITU-R P.684-4 Inclined path Rec. ITU-R P.676-7 Attenuation by atmospheric gases incoherent component Rec. ITU-R P.680-3 Propagation data required for the design of Rec. ITU-R P.682-1 earth-space maritime mobile telecommunication systems incoherent transmission systems Rec. ITU-R P.618-8 Propagation data and prediction methods required for the design of Earth-space telecommunication systems information duty cycle Rec. ITU-R P.843-1 Communication by Meteor-burst Propagation initial trail radius Rec. ITU-R P.843-1 Communication by Meteor-burst Propagation intensity of radio noise Rec.ITU-R P.1321-0 Propagation factor affecting systems using digital modulation techniques at LF and MF inter-symbol interference Rec.ITU-R P.1406-0 Propagation data and prediction methods Rec. ITU-R P.530-11 required for the design of terrestrial line-of- sight systems interdecile height variation Rec.ITU-R P.1406-0 Propagation effects relating to terrestrial land mobile service in the VHF and UHF bands interfade duration Rec. ITU-R P.1623-1 Prediction method of fade dynamics on Earth-space paths interference Rec. ITU-R P.452-12 Prediction procedure for the evaluation of Rec. ITU-R P.531-8 microwave interference between stations on Rec. ITU-R P.532-1 the surface of the Earth at frequencies Rec. ITU-R P.534-4 above about 0.7 GHz* Rec. ITU-R P.619-1 Rec. ITU-R P.620-6 Rec. ITU-R P.679-3 Rec. ITU-R P.680-3 Rec. ITU-R P.842-3 Rec. ITU-R P.843-1 Rec. ITU-R P.844-1 Rec. ITU-R P.845-3 Rec. ITU-R P.1060-0 Rec. ITU-R P.1409-0 Rec. ITU-R P.1546-2 interfering noise Rec. ITU-R P.845-3 HF field strength measurement interfering signals Rec. ITU-R P.842-3 Computation of reliability and compatibility of HF radio systems Intermodulation Rec. ITU-R P.845-3 HF field strength measurement International Frequency List Rec. ITU-R P.845-3 HF field strength measurement ion-acoustic wave Rec. ITU-R P.532-1 Ionospheric Effects and Operational Considerations Associated with the Artificial Modification of the Ionosphere and the Radio Wave Channel ionosphere Rec. ITU-R P.313-10 Exchange of information for short-term Rec. ITU-R P.371-8 forecasts and transmission of ionospheric Rec. ITU-R P.373-8 disturbance warnings Rec. ITU-R P.531-8 Rec. ITU-R P.532-1 Rec. ITU-R P.533-8 Rec. ITU-R P.534-4 Rec. ITU-R P.618-8 Rec. ITU-R P.619-1 Rec. ITU-R P.679-3 Rec. ITU-R P.680-3 Rec. ITU-R P.681-6 Rec. ITU-R P.682-1 Rec. ITU-R P.684-4 Rec. ITU-R P.843-1 Rec. ITU-R P.844-1 Rec. ITU-R P.845-3 Rec. ITU-R P.846-1 Rec. ITU-R P.1060-0 Rec. ITU-R P.1546-2 ionospheric disturbances Rec. ITU-R P.313-10 Exchange of information for short-term forecasts and transmission of ionospheric disturbance warnings ionospheric plasma Rec. ITU-R P.532-1 Ionospheric Effects and Operational Considerations Associated with the Artificial Modification of the Ionosphere and the Radio Wave Channel irregular terrain Rec. ITU-R P.526-10 Propagation data and prediction methods Rec. ITU-R P.530-11 required for the design of terrestrial line-of- sight systems Isolated obstacles Rec. ITU-R P.526-10 Propagation by Diffraction Isoplanatic angle of the Rec. ITU-R P.1621-1 Propagation data required for the design for atmosphere Earth-space systems operating isotropic Rec. ITU-R P.532-1 Ionospheric Effects and Operational Rec. ITU-R P.534-4 Considerations Associated with the Artificial Rec. ITU-R P.843-1 Modification of the Ionosphere and the Rec. ITU-R P.845-3 Radio Wave Channel Rec. ITU-R P.1409-0 Isotropic antennas Rec. ITU-R P.525-2 Calculation of Free Space Attenuation isotropic pattern Rec. ITU-R P.681-6 Propagation data required for the design of Earth-space land mobile telecommunication systems Isotropically received power. Rec. ITU-R P.525-2 Calculation of Free Space Attenuation isotropically transmited power. Rec. ITU-R P.525-2 Calculation of Free Space Attenuation k-factor Rec. ITU-R P.530-11 Propagation data and prediction methods required for the design of terrestrial line-of- sight systems knife-edge Rec. ITU-R P.452-12 Prediction procedure for the evaluation of microwave interference between stations on the surface of the Earth at frequencies above about 0.7 GHz* knife-edge obstruction Rec. ITU-R P.530-11 Propagation data and prediction methods required for the design of terrestrial line-of- sight systems land mobile-satellite service Rec. ITU-R P.681-6 Propagation data required for the design of (LMSS) Earth-space land mobile telecommunication systems land path Rec. ITU-R P.1546-2 Method for point-to-area predictions for terrestrial services in the frequency range 30 MHz to 3 000 MHz land-use classes Rec.ITU-R P.1411-3 Propagation data and prediction methods for the planning of short-range outdoor radiocommunication systems and radio local area networks in the frequency range 300 MHz to 100 GHz L-band Rec. ITU-R P.681-6 Propagation data required for the design of Earth-space land mobile telecommunication systems Leaky feeders Rec.ITU-R P.1406-0 Propagation effects relating to terrestrial land mobile service in the VHF and UHF bands LF Rec. ITU-R P.532-1 Ionospheric Effects and Operational Rec. ITU-R P.684-4 Considerations Associated with the Artificial Modification of the Ionosphere and the Radio Wave Channel lightning Rec.ITU-R P.1321-0 Propagation factor affecting systems using digital modulation techniques at LF and MF Limiting values Rec. ITU-R P.832-2 World Atlas of Conductivity linear amplitude distortion (LAD) Rec. ITU-R P.530-11 Propagation data and prediction methods required for the design of terrestrial line-of- sight systems linearly polarized Rec. ITU-R P.679-3 Propagation data required for the design of Rec. ITU-R P.680-3 broadcasting-satellite systems line-by-line Rec. ITU-R P.676-7 Attenuation by atmospheric gases line-of-sight Rec. ITU-R P.452-12 Prediction procedure for the evaluation of Rec. ITU-R P.526-10 microwave interference between stations on Rec. ITU-R P.530-11 the surface of the Earth at frequencies Rec. ITU-R P.619-1 above about 0.7 GHz* Rec. ITU-R P.620-6 Rec. ITU-R P.679-3 Rec. ITU-R P.681-6 link Rec. ITU-R P.452-12 Prediction procedure for the evaluation of microwave interference between stations on the surface of the Earth at frequencies above about 0.7 GHz* link availability Rec. ITU-R P.681-6 Propagation data required for the design of Earth-space land mobile telecommunication systems link budget Rec. ITU-R P.531-8 Ionospheric propagation data and prediction methods required for the design of satellite services and systems location variability Rec. ITU-R P.1546-2 Method for point-to-area predictions for terrestrial services in the frequency range 30 MHz to 3 000 MHz logarithmic-linear graph Rec.ITUR P. 311-12 Acquisition, presentation and analysis of data in studies of tropospheric propagation log-irradiance Rec. ITU-R P.1622-0 Prediction methods required for the design of Earth-space systems operating between 20 THz and 375 THz log-normal distributions Rec.ITU-R P.1321-0 Propagation factor affecting systems using digital modulation techniques at LF and MF log-normal shadow fading Rec.ITU-R P.1791-0 Propagation prediction methods for assessment of the impact of ultra- wideband devices log-normally distributed Rec.ITU-R P.1321-0 Propagation factor affecting systems using digital modulation techniques at LF and MF log-normally distributed sky wave Rec.ITU-R P.1321-0 Propagation factor affecting systems using signal digital modulation techniques at LF and MF log-periodic antennas Rec. ITU-R P.845-3 HF field strength measurement long-distance ionospheric Rec.ITU-R P. 435-7 Sky-wave field-strenght prediction method propagation for Broadcasting Service in the Frequency range 150 to 1600KHz. long-term Rec.ITUR P. 311-12 Acquisition, presentation and analysis of data in studies of tropospheric propagation Long-term average predicted Rec. ITU-R P.687-1 Characterization of natural variability of value propagation phenomena long-term criterion Rec.ITU-R P.1448-0 Determination of the coordination of the area around an Earth station the frequency bands between 100 MHZ and 105 GHz long-term reference ionospheric Rec.ITU-R P.1240-0 ITU-R methods of basic MUF, operational data MUF Loss characteristics of materials Rec.ITUR P. 311-12 Acquisition, presentation and analysis of data in studies of tropospheric propagation Loss factor Rec.ITU-R P. 435-7 Sky-wave field-strenght prediction method for Broadcasting Service in the Frequency range 150 to 1600KHz. loss factor incorporating effects Rec.ITU-R P. 435-7 Sky-wave field-strenght prediction method of ionospheric absorption for Broadcasting Service in the Frequency range 150 to 1600KHz. Low- latitude annual reference Rec. ITU-R P.835-4 Reference Standard Atmosphere atmosphere low-Earth orbit (LEO) Rec. ITU-R P.679-3 Propagation data required for the design of broadcasting-satellite systems lower decile Rec. ITU-R P.842-3 Computation of reliability and compatibility of HF radio systems Lowest excess attenuation of the Rec. ITU-R P.833-5 Attenuation in Vegetation others paths lowest usable frequency (LUF) Rec. ITU-R P.313-10 Definitions of Maximum and Minimum Rec. ITU-R P.373-8 Transmission Frequencies Rec. ITU-R P.533-8 Rec. ITU-R P.1060-0 low-resolution land-use data Rec.ITU-R P.1411-3 Propagation data and prediction methods for the planning of short-range outdoor radiocommunication systems and radio local area networks in the frequency range 300 MHz to 100 GHz M factor Rec.ITU-R P. 434-6 ITU-R Reference Ionospheric Characteristics and Methods of Basic MUF Operational MUF and Ray-path Prediction magnetic dip Rec.ITU-R P.1239-0 ITU-R Reference Ionospheric characteristics magnetic field strength Rec. ITU-R P.531-8 Ionospheric propagation data and prediction methods required for the design of satellite services and systems magnetic induction Fx, Fy and Fz Rec.ITU-R P. 434-6 ITU-R Reference Ionospheric in gauss Characteristics and Methods of Basic MUF Operational MUF and Ray-path Prediction magnetoionic component Rec. ITU-R P.373-8 Definitions of Maximum and Minimum Transmission Frequencies Main latitude variation Rec.ITU-R P.1239-0 ITU-R Reference Ionospheric characteristics man-made noise Rec. ITU-R P.842-3 Computation of reliability and compatibility of HF radio systems man-made noise power Rec. ITU-R P.372-8 Radio Noise man-made sources Rec.ITU-R P.1321-0 Propagation factor affecting systems using digital modulation techniques at LF and MF mapping functions Rec.ITU-R P. 434-6 ITU-R Reference Ionospheric Characteristics and Methods of Basic MUF Operational MUF and Ray-path Prediction maritime mobile systems Rec. ITU-R P.680-3 Propagation data required for the design of earth-space maritime mobile telecommunication systems Maritime sub-tropical Rec. ITU-R P.617-1 PROPAGATION PREDICTION TECHNIQUES AND DATA REQUIRED FOR THE DESIGN OF TRANS- HORIZON RADIO-RELAY SYSTEMS Maritime temperate, overland Rec. ITU-R P.617-1 PROPAGATION PREDICTION TECHNIQUES AND DATA REQUIRED FOR THE DESIGN OF TRANS- HORIZON RADIO-RELAY SYSTEMS Maritime temperate, oversea Rec. ITU-R P.617-1 PROPAGATION PREDICTION TECHNIQUES AND DATA REQUIRED FOR THE DESIGN OF TRANS- HORIZON RADIO-RELAY SYSTEMS masking angle (MKA) Rec. ITU-R P.681-6 Propagation data required for the design of Earth-space land mobile telecommunication systems masking functions (MKF) Rec. ITU-R P.681-6 Propagation data required for the design of Earth-space land mobile telecommunication systems maximum and minimum solar Rec.ITU-R P. 434-6 ITU-R Reference Ionospheric activity of h¢F,F2 Characteristics and Methods of Basic MUF Operational MUF and Ray-path Prediction maximum error ratio Rec. ITU-R P.373-8 Definitions of Maximum and Minimum Transmission Frequencies maximum solar zenith angle Rec.ITU-R P.1239-0 ITU-R Reference Ionospheric characteristics maximum total attenuation due to Rec. ITU-R P.833-5 Attenuation in Vegetation vegetaton in the radio path(dB) maximum trapping angle Rec. ITU-R P.834-6 Effects of Tropospheric Refaction on the Radiowave Propagation maximum usable frequency Rec. ITU-R P.313-10 HF propagation prediction method (MUF) Rec. ITU-R P.532-1 Rec. ITU-R P.533-8 Rec. ITU-R P.842-3 Rec. ITU-R P.844-1 Rec. ITU-R P.845-3 Rec. ITU-R P.1060-0 maxium value of man-made Rec. ITU-R P.372-8 Radio Noise noise power mean annual global reference Rec. ITU-R P.835-4 Reference Standard Atmosphere atmosphere mean difference Rec.ITU-R P.1148-1 Standardizing procedure for cmparing predicted and oberved HF sky-wave observed HF signal intensities and the presentation of such comparisons median surface refractivity Rec. ITU-R P.1546-2 Method for point-to-area predictions for terrestrial services in the frequency range 30 MHz to 3 000 MHz Mediterranean Rec. ITU-R P.617-1 PROPAGATION PREDICTION TECHNIQUES AND DATA REQUIRED FOR THE DESIGN OF TRANS- HORIZON RADIO-RELAY SYSTEMS medium Earth orbit (MEO) Rec. ITU-R P.681-6 Propagation data required for the design of Earth-space land mobile telecommunication systems melting layer Rec. ITU-R P.620-6 Propagation data required for the evaluation of coordination distances in the frequency range 100 MHz to 105 GHz mesh network Rec. ITU-R P.530-11 Propagation data and prediction methods required for the design of terrestrial line-of- sight systems mesh points Rec. ITU-R P.684-4 Prediction of field strength at frequencies below about 150 kHz meteor heights Rec. ITU-R P.843-1 Communication by Meteor-burst Propagation meteor trails /meteor-trails Rec. ITU-R P.843-1 Communication by Meteor-burst Rec. ITU-R P.844-1 Propagation Meteorological condition Rec. ITU-R P.676-7 Attenuation by atmospheric gases MF Rec. ITU-R P.532-1 Ionospheric Effects and Operational Considerations Associated with the Artificial Modification of the Ionosphere and the Radio Wave Channel MF conductivities maps Rec. ITU-R P.832-2 World Atlas of Conductivity micro-cell Rec.ITU-R P.1411-3 Propagation data and prediction methods for the planning of short-range outdoor radiocommunication systems and radio local area networks in the frequency range 300 MHz to 100 GHz Microwave brightness Rec. ITU-R P.372-8 Radio Noise temperature Mid- latitude annual reference Rec. ITU-R P.835-4 Reference Standard Atmosphere atmosphere mid-dip latitudes Rec. ITU-R P.534-4 Method of Calculating sporatic E Field Strength mid-path Rec.ITU-R P.1240-0 ITU-R methods of basic MUF, operational MUF Mie scattering Rec. ITU-R P.1621-1 Propagation data required for the design for Rec. ITU-R P.1622-0 Earth-space systems operating Millimetre-wave Rec.ITU-R P.1411-3 Propagation data and prediction methods for the planning of short-range outdoor radiocommunication systems and radio local area networks in the frequency range 300 MHz to 100 GHz Millimetricwave radio solutions Rec.ITU-R P.1410-3 Propagation data and prediction methods required for the design of terrestrial broadband millimetric radio access systems operating in frequency range of about 20-50 GHz minimum geographical distance Rec.ITU-R P. 370-7 VHF and UHF Propagation Curves for the Frequency range from 30 MHz to 1000 MHz minimum geographical distance Rec. ITU-R P.1546-2 Method for point-to-area predictions for of separation terrestrial services in the frequency range 30 MHz to 3 000 MHz Minimum trapping frequency Rec. ITU-R P.834-6 Effects of Tropospheric Refaction on the Radiowave Propagation mirror-reflection heights Rec. ITU-R P.533-8 HF propagation prediction method mis-match Rec. ITU-R P.845-3 HF field strength measurement mismatch loss Rec. ITU-R P.534-4 Method of Calculating sporatic E Field Strength mixed path interpolation factor Rec. ITU-R P.1546-2 Method for point-to-area predictions for terrestrial services in the frequency range 30 MHz to 3 000 MHz mixed-path Rec. ITU-R P.1546-2 Method for point-to-area predictions for terrestrial services in the frequency range 30 MHz to 3 000 MHz Mobile service Rec. ITU-R P.525-2 Calculation of Free Space Attenuation mobile-satellite service (MSS) Rec. ITU-R P.531-8 Ionospheric propagation data and prediction methods required for the design of satellite services and systems modal excitation factor Rec. ITU-R P.684-4 Prediction of field strength at frequencies below about 150 kHz modal height gain functions Rec. ITU-R P.684-4 Prediction of field strength at frequencies below about 150 kHz mode Rec. ITU-R P.533-8 HF propagation prediction method Rec. ITU-R P.684-4 mode availability Rec. ITU-R P.842-3 Computation of reliability and compatibility of HF radio systems mode conversion /mode- Rec. ITU-R P.684-4 Prediction of field strength at frequencies conversion Rec.ITU-R P.1406-0 below about 150 kHz mode performance achievement Rec. ITU-R P.842-3 Computation of reliability and compatibility of HF radio systems mode reliability Rec. ITU-R P.842-3 Computation of reliability and compatibility of HF radio systems modes of propagation Rec. ITU-R P.844-1 Ionospheric factors affecting frequency sharing in the VHF and UHF bands (30 MHz- 3 GHz) modified refractive index Rec. ITU-R P.834-6 Effects of Tropospheric Refaction on the Radiowave Propagation modulation Rec. ITU-R P.845-3 HF field strength measurement moisture content Rec. ITU-R P.527-3 Electrical characteristics of the surface of the Earth molar gas constant Rec. ITU-R P.834-6 Effects of Tropospheric Refaction on the Radiowave Propagation monopole antenna Rec. ITU-R P.372-8 Radio Noise monthly mean value(No) Rec. ITU-R P.453-9 The Radio refractive index its formulae and refractive data monthly median h'F Rec.ITU-R P. 434-6 ITU-R Reference Ionospheric Characteristics and Methods of Basic MUF Operational MUF and Ray-path Prediction morphology Rec. ITU-R P.844-1 Ionospheric factors affecting frequency sharing in the VHF and UHF bands (30 MHz- 3 GHz) mountainous terrain Rec. ITU-R P.681-6 Propagation data required for the design of Earth-space land mobile telecommunication systems MUF factor M(3000)F2 Rec. ITU-R P.371-8 Choice of Indices for Long-Term Ionospheric Predictions multi-hop paths Rec.ITU-R P. 435-7 Sky-wave field-strenght prediction method for Broadcasting Service in the Frequency range 150 to 1600KHz. multimode propagation Rec. ITU-R P.684-4 Prediction of field strength at frequencies below about 150 kHz multipath Rec. ITU-R P.452-12 Prediction procedure for the evaluation of Rec. ITU-R P.530-11 microwave interference between stations on Rec. ITU-R P.531-8 the surface of the Earth at frequencies Rec. ITU-R P.618-8 above about 0.7 GHz* Rec. ITU-R P.619-1 Rec. ITU-R P.679-3 Rec. ITU-R P.680-3 Rec. ITU-R P.681-6 Rec. ITU-R P.682-1 Rec. ITU-R P.841-4 Rec. ITU-R P.843-1 Rec. ITU-R P.1546-2 multipath fading Rec. ITU-R P.1546-2 Method for point-to-area predictions for terrestrial services in the frequency range 30 MHz to 3 000 MHz multiple high data-rate streams Rec.ITU-R P.1791-0 Propagation prediction methods for assessment of the impact of ultra- wideband devices Multiple isolated obstacles Rec. ITU-R P.526-10 Propagation by Diffraction multipoint communications Rec.ITU-R P.1410-3 Propagation data and prediction methods system required for the design of terrestrial broadband millimetric radio access systems operating in frequency range of about 20-50 GHz NAD(noise angle distribution) Rec. ITU-R P.372-8 Radio Noise Nadir Angle Rec. ITU-R P.372-8 Radio Noise Nadir brightness temperature Rec. ITU-R P.372-8 Radio Noise narrow-band Rec. ITU-R P.845-3 HF field strength measurement Narrow-band statistics of Rec.ITUR P. 311-12 Acquisition, presentation and analysis of aeronautical mobile-satellite links data in studies of tropospheric propagation Narrow-band statistics of Rec.ITUR P. 311-12 Acquisition, presentation and analysis of broadcasting-satellite fades and data in studies of tropospheric propagation fade durations Narrow-band statistics of land Rec.ITUR P. 311-12 Acquisition, presentation and analysis of mobile-satellite links data in studies of tropospheric propagation Narrow-band statistics of Rec.ITUR P. 311-12 Acquisition, presentation and analysis of maritime mobile-satellite links data in studies of tropospheric propagation narrow-beam Rec.ITU-R P.1412-0 Propagation data for the evaluation of coordination between Earth station in working in the bidirectionally allocated frequency bands narrow-beam transmitter Rec.ITU-R P.1412-0 Propagation data for the evaluation of coordination between Earth station in working in the bidirectionally allocated frequency bands Natural variability phenomena Rec. ITU-R P.687-1 Characterization of natural variability of propagation phenomena near Earth Rec. ITU-R P.1622-0 Prediction methods required for the design of Earth-space systems operating between 20 THz and 375 THz near-field Rec. ITU-R P.681-6 Propagation data required for the design of Earth-space land mobile telecommunication systems negative height gain Rec.ITU-R P.1406-0 Propagation effects relating to terrestrial land mobile service in the VHF and UHF bands neighborhood Rec. ITU-R P.684-4 Prediction of field strength at frequencies below about 150 kHz night-time interference Rec.ITU-R P.1321-0 Propagation factor affecting systems using digital modulation techniques at LF and MF noise Rec. ITU-R P.452-12 Prediction procedure for the evaluation of Rec. ITU-R P.533-8 microwave interference between stations on Rec. ITU-R P.843-1 the surface of the Earth at frequencies above about 0.7 GHz* noise factor of the receiver (b) Rec. ITU-R P.372-8 Radio Noise noise Figure Rec. ITU-R P.372-8 Radio Noise Rec. ITU-R P.845-3 noise from lightning Rec. ITU-R P.372-8 Radio Noise noise intensity Rec. ITU-R P.372-8 Radio Noise noise Levels Rec. ITU-R P.372-8 Radio Noise noise parameters Rec. ITU-R P.372-8 Radio Noise noise power bandwidth Rec. ITU-R P.372-8 Radio Noise nominal frequency Rec. ITU-R P.1546-2 Method for point-to-area predictions for terrestrial services in the frequency range 30 MHz to 3 000 MHz nomographs Rec.ITUR P. 311-12 Acquisition, presentation and analysis of data in studies of tropospheric propagation non-compliant data Rec.ITUR P. 311-12 Acquisition, presentation and analysis of data in studies of tropospheric propagation non-directional antenna Rec.ITU-R P.1448-0 Determination of the coordination of the area around an Earth station the frequency bands between 100 MHZ and 105 GHz non-fade duration event Rec. ITU-R P.681-6 Propagation data required for the design of Earth-space land mobile telecommunication systems non-geostationary (non-GSO) Rec. ITU-R P.681-6 Propagation data required for the design of Earth-space land mobile telecommunication systems non-geostationary satellite Rec. ITU-R P.618-8 Propagation data and prediction methods Rec. ITU-R P.531-8 required for the design of Earth-space telecommunication systems non-line-of-sight Rec. ITU-R P.681-6 Propagation data required for the design of Rec.ITU-R P.1411-3 Earth-space land mobile telecommunication systems non-low Earth orbit (non-LEO) Rec. ITU-R P.681-6 Propagation data required for the design of Earth-space land mobile telecommunication systems non-resonant Debye spectrum Rec. ITU-R P.676-7 Attenuation by atmospheric gases non-tracking directional antenna Rec.ITU-R P.1448-0 Determination of the coordination of the area around an Earth station the frequency bands between 100 MHZ and 105 GHz normalized * Rec. ITU-R P.452-12 Prediction procedure for the evaluation of microwave interference between stations on the surface of the Earth at frequencies above about 0.7 GHz* normalized factor Rec. ITU-R P.526-10 Propagation by Diffraction normalized total columnar Rec. ITU-R P.840-3 Attenuation due to Cloud and Fog content numerical calculation Rec. ITU-R P.526-10 Propagation by Diffraction numerical map function Rec.ITU-R P.1239-0 ITU-R Reference Ionospheric characteristics obstacle Rec. ITU-R P.531-8 PROPAGATION PREDICTION Rec. ITU-R P.617-1 TECHNIQUES AND DATA REQUIRED Rec. ITU-R P.845-3 FOR THE DESIGN OF TRANS- HORIZON RADIO-RELAY SYSTEMS obstacles curvature radius Rec. ITU-R P.526-10 Propagation by Diffraction obstacles surface smoothness Rec. ITU-R P.526-10 Propagation by Diffraction criterion ohmic dissipation Rec. ITU-R P.532-1 Ionospheric Effects and Operational Considerations Associated with the Artificial Modification of the Ionosphere and the Radio Wave Channel omni-directional Rec. ITU-R P.681-6 Propagation data required for the design of Earth-space land mobile telecommunication systems omnidirectional antennas Rec. ITU-R P.845-3 HF field strength measurement operational MUF Rec. ITU-R P.373-8 Definitions of Maximum and Minimum Transmission Frequencies Optical density Rec. ITU-R P.833-5 Attenuation in Vegetation Optical depth(d) Rec. ITU-R P.372-8 Radio Noise optimum working frequency Rec. ITU-R P.313-10 Exchange of information for short-term (OWF or FOT) Rec. ITU-R P.373-8 forecasts and transmission of ionospheric disturbance warnings ordinary waves Rec. ITU-R P.532-1 Ionospheric Effects and Operational Considerations Associated with the Artificial Modification of the Ionosphere and the Radio Wave Channel orthogonal axes Rec. ITU-R P.525-2 Calculation of Free Space Attenuation outage Rec. ITU-R P.530-11 Propagation data and prediction methods required for the design of terrestrial line-of- sight systems outage events Rec. ITU-R P.1623-1 Prediction method of fade dynamics on Earth-space paths outer-conductor Rec.ITU-R P.1406-0 Propagation effects relating to terrestrial land mobile service in the VHF and UHF bands overall circuit reliability (OCR) Rec. ITU-R P.842-3 Computation of reliability and compatibility of HF radio systems overdense trails Rec. ITU-R P.843-1 Communication by Meteor-burst Propagation Overlapping Rec. ITU-R P.526-10 Propagation by Diffraction parametric wave-plasma Rec. ITU-R P.532-1 Ionospheric Effects and Operational instability Considerations Associated with the Artificial Modification of the Ionosphere and the Radio Wave Channel Path attenuation Rec. ITU-R P.1322-0 Radiometric estimation of atmospheric attenuation path basic MUF Rec.ITU-R P.1240-0 ITU-R methods of basic MUF, operational MUF path clearance Rec. ITU-R P.530-11 Propagation data and prediction methods Rec. ITU-R P.526-10 required for the design of terrestrial line-of- sight systems path diversity Rec. ITU-R P.618-8 Propagation data and prediction methods Rec. ITU-R P.681-6 required for the design of Earth-space telecommunication systems path loss Rec.ITU-R P.1411-3 Propagation data and prediction methods for the planning of short-range outdoor radiocommunication systems and radio local area networks in the frequency range 300 MHz to 100 GHz path midpoint Rec.ITU-R P.1148-1 Standardizing procedure for cmparing predicted and oberved HF sky-wave observed HF signal intensities and the presentation of such comparisons path profile Rec. ITU-R P.530-11 Propagation data and prediction methods required for the design of terrestrial line-of- sight systems path reliability Rec. ITU-R P.842-3 Computation of reliability and compatibility of HF radio systems path-asymmetry factor Rec.ITU-R P.1410-3 Propagation data and prediction methods required for the design of terrestrial broadband millimetric radio access systems operating in frequency range of about 20-50 GHz path-length difference (delay) Rec. ITU-R P.1407-2 Multipath propagation parametrization of its characteristics path-loss exponent Rec.ITU-R P.1791-0 Propagation prediction methods for assessment of the impact of ultra- wideband devices peak electron density Rec. ITU-R P.531-8 Ionospheric propagation data and prediction methods required for the design of satellite services and systems peak-to-noise ratio Rec.ITUR P. 311-12 Acquisition, presentation and analysis of data in studies of tropospheric propagation penetration and spread waves Rec. ITU-R P.527-3 Electrical characteristics of the surface of the Earth penetration loss Rec. ITU-R P.679-3 Propagation data required for the design of broadcasting-satellite systems penumbra width Rec. ITU-R P.526-10 Propagation by Diffraction percentage location Rec. ITU-R P.1546-2 Method for point-to-area predictions for terrestrial services in the frequency range 30 MHz to 3 000 MHz Percentage of time gradient Rec. ITU-R P.453-9 The Radio refractive index its formulae and refractive data Permeability(m) Rec. ITU-R P.527-3 Electrical characteristics of the surface of the Earth Permitivity(є) Rec. ITU-R P.527-3 Electrical characteristics of the surface of the Earth perturbations Rec. ITU-R P.313-10 Exchange of information for short-term forecasts and transmission of ionospheric disturbance warnings phase decorrelation Rec. ITU-R P.618-8 Propagation data and prediction methods required for the design of Earth-space telecommunication systems Physical temperature of the Rec. ITU-R P.372-8 Radio Noise surface of the Earth pico-cell Rec.ITU-R P.1411-3 Propagation data and prediction methods for the planning of short-range outdoor radiocommunication systems and radio local area networks in the frequency range 300 MHz to 100 GHz plane of propagation Rec. ITU-R P.843-1 Communication by Meteor-burst Propagation plane passive reflectors Rec. ITU-R P.530-11 Propagation data and prediction methods required for the design of terrestrial line-of- sight systems plane wave Rec. ITU-R P.525-2 Calculation of Free Space Attenuation plasma density Rec. ITU-R P.1060-0 Propagation factors affecting frequency sharing in HF terrestrial systems plasma frequency Rec. ITU-R P.684-4 Prediction of field strength at frequencies below about 150 kHz plasma waves Rec. ITU-R P.532-1 Ionospheric Effects and Operational Considerations Associated with the Artificial Modification of the Ionosphere and the Radio Wave Channel point-to-area field strength Rec.ITU-R P. 370-7 VHF and UHF Propagation Curves for the Frequency range from 30 MHz to 1000 MHz point-to-multipoint (P-MP) system Rec.ITU-R P.1410-3 Propagation data and prediction methods required for the design of terrestrial broadband millimetric radio access systems operating in frequency range of about 20-50 GHz point-to-point area links Rec. ITU-R P.525-2 Calculation of Free Space Attenuation point-to-point propagation path Rec.ITU-R P.1240-0 ITU-R methods of basic MUF, operational MUF polar Rec. ITU-R P.617-1 PROPAGATION PREDICTION TECHNIQUES AND DATA REQUIRED FOR THE DESIGN OF TRANS- HORIZON RADIO-RELAY SYSTEMS polarization coupling loss Rec.ITU-R P. 435-7 Sky-wave field-strenght prediction method for Broadcasting Service in the Frequency range 150 to 1600KHz. polarization diversity Rec.ITU-R P.1406-0 Propagation effects relating to terrestrial land mobile service in the VHF and UHF bands polarization(polarisation)* Rec. ITU-R P.452-12 Prediction procedure for the evaluation of Rec. ITU-R P.530-11 microwave interference between stations on Rec. ITU-R P.531-8 the surface of the Earth at frequencies Rec. ITU-R P.620-6 above about 0.7 GHz* Rec. ITU-R P.679-3 Rec. ITU-R P.682-1 Rec. ITU-R P.684-4 Rec. ITU-R P.843-1 Rec. ITU-R P.1060-0 Rec. ITU-R P.1546-2 power flux-density Rec. ITU-R P.525-2 Calculation of Free Space Attenuation Rec. ITU-R P.532-1 power spectra Rec. ITU-R P.531-8 Ionospheric propagation data and prediction methods required for the design of satellite services and systems power transmission lines Rec. ITU-R P.372-8 Radio Noise precipitation scatter Rec. ITU-R P.619-1 Propagation Data required for the Evaluation of Interference between Stations in Space ant those on the Surface of the Earth predicted minus measured Rec.ITU-R P.1148-1 Standardizing procedure for cmparing predicted and oberved HF sky-wave observed HF signal intensities and the presentation of such comparisons prediction of basic and Rec.ITU-R P. 434-6 ITU-R Reference Ionospheric operational MUFs Characteristics and Methods of Basic MUF Operational MUF and Ray-path Prediction prediction of F2-layer basic MUF Rec.ITU-R P. 434-6 ITU-R Reference Ionospheric Characteristics and Methods of Basic MUF Operational MUF and Ray-path Prediction prediction of foE Rec.ITU-R P. 434-6 ITU-R Reference Ionospheric Characteristics and Methods of Basic MUF Operational MUF and Ray-path Prediction prediction of foF1 Rec.ITU-R P. 434-6 ITU-R Reference Ionospheric Characteristics and Methods of Basic MUF Operational MUF and Ray-path Prediction prediction of foF2 and M(3000)F2 Rec.ITU-R P. 434-6 ITU-R Reference Ionospheric Characteristics and Methods of Basic MUF Operational MUF and Ray-path Prediction prediction of h¢F and h¢F,F2 Rec.ITU-R P. 434-6 ITU-R Reference Ionospheric Characteristics and Methods of Basic MUF Operational MUF and Ray-path Prediction prediction of point-to-area path Rec.ITU-R P. 370-7 VHF and UHF Propagation Curves for the loss Frequency range from 30 MHz to 1000 MHz prediction of ray path Rec.ITU-R P. 434-6 ITU-R Reference Ionospheric Characteristics and Methods of Basic MUF Operational MUF and Ray-path Prediction prediction of ray paths Rec.ITU-R P. 434-6 ITU-R Reference Ionospheric Characteristics and Methods of Basic MUF Operational MUF and Ray-path Prediction prediction of the percentage of Rec.ITU-R P. 434-6 ITU-R Reference Ionospheric occurrence of spread-F Characteristics and Methods of Basic MUF Operational MUF and Ray-path Prediction preparation of conductivities Rec. ITU-R P.832-2 World Atlas of Conductivity maps primarily trees Rec.ITU-R P.1411-3 Propagation data and prediction methods for the planning of short-range outdoor radiocommunication systems and radio local area networks in the frequency range 300 MHz to 100 GHz probability of occurrence of fades Rec.ITUR P. 311-12 Acquisition, presentation and analysis of of duration d longer than D (s) data in studies of tropospheric propagation probability of occurrency of the Rec. ITU-R P.687-1 Characterization of natural variability of events(P) propagation phenomena profile extraction Rec. ITU-R P.1058-2 Digital topographic database for propagation studies Program HRMNTH Rec.ITU-R P. 434-6 ITU-R Reference Ionospheric Characteristics and Methods of Basic MUF Operational MUF and Ray-path Prediction Program MUFFY Rec.ITU-R P. 434-6 ITU-R Reference Ionospheric Characteristics and Methods of Basic MUF Operational MUF and Ray-path Prediction Program WOMAP Rec.ITU-R P. 434-6 ITU-R Reference Ionospheric Characteristics and Methods of Basic MUF Operational MUF and Ray-path Prediction propagation All SG3 Recs Prediction procedure for the evaluation of microwave interference between stations on the surface of the Earth at frequencies above about 0.7 GHz* propagation by diffraction Rec. ITU-R P.526-10 Propagation by Diffraction propagation delay Rec. ITU-R P.619-1 Propagation Data required for the Evaluation of Interference between Stations in Space ant those on the Surface of the Earth propagation loss Rec. ITU-R P.530-11 Propagation data and prediction methods required for the design of terrestrial line-of- sight systems propagation modes Rec. ITU-R P.845-3 HF field strength measurement propagation zones Rec. ITU-R P.1546-2 Method for point-to-area predictions for terrestrial services in the frequency range 30 MHz to 3 000 MHz protection angle Rec. ITU-R P.620-6 Propagation data required for the evaluation of coordination distances in the frequency range 100 MHz to 105 GHz purely empirical method Rec.ITUR P. 311-12 Acquisition, presentation and analysis of data in studies of tropospheric propagation Q values Rec. ITU-R P.841-4 Conversion of annual statistics to worst- month statistics quartile Rec. ITU-R P.845-3 HF field strength measurement quite rural Rec. ITU-R P.372-8 Radio Noise r.m.s. delay spread Rec.ITU-R P.1406-0 Propagation effects relating to terrestrial land mobile service in the VHF and UHF bands r.m.s. field strength Rec. ITU-R P.525-2 Calculation of Free Space Attenuation r.m.s. value Rec.ITUR P. 311-12 Acquisition, presentation and analysis of data in studies of tropospheric propagation radar cross section Rec. ITU-R P.532-1 Ionospheric Effects and Operational Considerations Associated with the Artificial Modification of the Ionosphere and the Radio Wave Channel radar target cross-section Rec. ITU-R P.525-2 Calculation of Free Space Attenuation radiance Rec. ITU-R P.1621-1 Propagation data required for the design for Earth-space systems operating radiated power Rec.ITU-R P. 435-7 Sky-wave field-strenght prediction method for Broadcasting Service in the Frequency range 150 to 1600KHz. radiation from lightning Rec. ITU-R P.372-8 Radio Noise discharges radio emissions Rec. ITU-R P.372-8 Radio Noise radio natural sources Rec. ITU-R P.372-8 Radio Noise radio noise Rec. ITU-R P.372-8 Radio Noise radio path length Rec. ITU-R P.525-2 Calculation of Free Space Attenuation radio refractivity Rec. ITU-R P.453-9 The Radio refractive index its formulae and Rec. ITU-R P.619-1 refractive data radio refractivity index Rec. ITU-R P.453-9 The Radio refractive index its formulae and refractive data radio sky temperature Rec. ITU-R P.372-8 Radio Noise radio systems design Rec. ITU-R P.372-8 Radio Noise radio upper decile to medium Rec. ITU-R P.372-8 Radio Noise value radio-climatic Rec. ITU-R P.452-12 Prediction procedure for the evaluation of microwave interference between stations on the surface of the Earth at frequencies above about 0.7 GHz* radio-climatic zones Rec. ITU-R P.620-6 Propagation data required for the evaluation of coordination distances in the frequency range 100 MHz to 105 GHz radiometeorological data Rec.ITUR P. 311-12 Acquisition, presentation and analysis of data in studies of tropospheric propagation radio-meteorological zones Rec.ITU-R P.1448-0 Determination of the coordination of the area around an Earth station the frequency bands between 100 MHZ and 105 GHz radiometric estimation Rec. ITU-R P.1322-0 Radiometric estimation of atmospheric attenuation radiometric measurements Rec. ITU-R P.1322-0 Radiometric estimation of atmospheric attenuation radiosonde Rec. ITU-R P.453-9 The Radio refractive index its formulae and refractive data rain attenuation Rec. ITU-R P.530-11 Propagation data and prediction methods required for the design of terrestrial line-of- sight systems rain cell Rec. ITU-R P.620-6 Propagation data required for the evaluation of coordination distances in the frequency range 100 MHz to 105 GHz rain effect slant path attenuation Rec. ITU-R P.841-4 Conversion of annual statistics to worst- month statistics rain effect terrestrial attenuation Rec. ITU-R P.841-4 Conversion of annual statistics to worst- month statistics rain fading Rec. ITU-R P.531-8 Ionospheric propagation data and prediction methods required for the design of satellite services and systems rain height Rec. ITU-R P.452-12 Prediction procedure for the evaluation of Rec. ITU-R P.620-6 microwave interference between stations on the surface of the Earth at frequencies above about 0.7 GHz* rain integration time conversion Rec.ITUR P. 311-12 Acquisition, presentation and analysis of factor data in studies of tropospheric propagation rain scatter on terrestrial paths Rec.ITUR P. 311-12 Acquisition, presentation and analysis of data in studies of tropospheric propagation rain / rainfall rate Rec.ITUR P. 311-12 Prediction procedure for the evaluation of Rec. ITU-R P.452-12 microwave interference between stations on Rec. ITU-R P.618-8 the surface of the Earth at frequencies Rec. ITU-R P.620-6 above about 0.7 GHz* Rec. ITU-R P.841-4 randomically distributed receivers Rec. ITU-R P.525-2 Calculation of Free Space Attenuation range delay Rec. ITU-R P.618-8 Propagation data and prediction methods required for the design of Earth-space telecommunication systems range of penetration depth(d) Rec. ITU-R P.527-3 Electrical characteristics of the surface of the Earth ratio of signal-to-background- Rec. ITU-R P.1060-0 Propagation factors affecting frequency noise-plus-interference sharing in HF terrestrial systems ray banding Rec. ITU-R P.834-6 Effects of Tropospheric Refaction on the Radiowave Propagation ray bending Rec. ITU-R P.619-1 Propagation Data required for the Evaluation of Interference between Stations in Space ant those on the Surface of the Earth ray-launching techniques Rec.ITU-R P.1406-0 Propagation effects relating to terrestrial land mobile service in the VHF and UHF bands Rayleigh approximation Rec. ITU-R P.840-3 Attenuation due to Cloud and Fog Rayleigh fading Rec. ITU-R P.845-3 HF field strength measurement Rayleigh scattering Rec. ITU-R P.620-6 Propagation data required for the evaluation Rec. ITU-R P.1621-1 of coordination distances in the frequency Rec. ITU-R P.1622-0 range 100 MHz to 105 GHz ray-tracing techniques Rec.ITU-R P.1410-3 Propagation data and prediction methods required for the design of terrestrial broadband millimetric radio access systems operating in frequency range of about 20-50 GHz received field strength (E) Rec. ITU-R P.526-10 Propagation by Diffraction receiving/mobile antenna Rec. ITU-R P.1546-2 Method for point-to-area predictions for terrestrial services in the frequency range 30 MHz to 3 000 MHz reception reliability Rec. ITU-R P.842-3 Computation of reliability and compatibility of HF radio systems reference time Rec.ITU-R P. 435-7 Sky-wave field-strenght prediction method for Broadcasting Service in the Frequency range 150 to 1600KHz. reflection coefficient Rec. ITU-R P.532-1 Ionospheric Effects and Operational Rec. ITU-R P.684-4 Considerations Associated with the Artificial Rec. ITU-R P.1409-0 Modification of the Ionosphere and the Radio Wave Channel reflection height Rec. ITU-R P.684-4 Prediction of field strength at frequencies below about 150 kHz reflection point Rec. ITU-R P.534-4 Method of Calculating sporatic E Field Strength reflections Rec. ITU-R P.844-1 Ionospheric factors affecting frequency sharing in the VHF and UHF bands (30 MHz- 3 GHz) reflectivity of the scattering plane Rec.ITU-R P.1406-0 Propagation effects relating to terrestrial land mobile service in the VHF and UHF bands refraction Rec. ITU-R P.452-12 Prediction procedure for the evaluation of Rec. ITU-R P.530-11 microwave interference between stations on Rec. ITU-R P.532-1 the surface of the Earth at frequencies Rec. ITU-R P.618-8 above about 0.7 GHz* Rec. ITU-R P.620-6 Rec. ITU-R P.679-3 Rec. ITU-R P.680-3 Rec. ITU-R P.682-1 Rec. ITU-R P.684-4 Rec. ITU-R P.1060-0 Rec. ITU-R P.1622-0 refractive defocusing Rec. ITU-R P.618-8 Propagation data and prediction methods Rec. ITU-R P.680-3 required for the design of Earth-space telecommunication systems refractive focusing Rec. ITU-R P.618-8 Propagation data and prediction methods Rec. ITU-R P.680-3 required for the design of Earth-space telecommunication systems refractive index Rec. ITU-R P.530-11 Propagation data and prediction methods Rec. ITU-R P.531-8 required for the design of Earth-space Rec. ITU-R P.532-1 telecommunication systems Rec. ITU-R P.618-8 Rec. ITU-R P.619-1 Rec. ITU-R P.679-3 Rec. ITU-R P.1622-0 refractive index gradient Rec. ITU-R P.530-11 Propagation data and prediction methods required for the design of terrestrial line-of- sight systems refractivity Rec. ITU-R P.617-1 Method for point-to-area predictions for Rec. ITU-R P.1546-2 terrestrial services in the frequency range 30 MHz to 3 000 MHz refractivity data Rec. ITU-R P.453-9 The Radio refractive index its formulae and refractive data refractivity gradient Rec. ITU-R P.453-9 The Radio refractive index its formulae and Rec. ITU-R P.618-8 refractive data refractivity gradient near the Rec. ITU-R P.453-9 The Radio refractive index its formulae and Earth's surface refractive data refractivity-height Rec. ITU-R P.618-8 Propagation data and prediction methods required for the design of Earth-space telecommunication systems regions of the ionosphere Rec. ITU-R P.531-8 Ionospheric propagation data and prediction methods required for the design of satellite services and systems relativehHumidity Rec. ITU-R P.453-9 The Radio refractive index its formulae and refractive data relative permeability Rec. ITU-R P.527-3 Electrical characteristics of the surface of the Earth reliability Rec. ITU-R P.842-3 Computation of reliability and compatibility of HF radio systems representative clutter height Rec. ITU-R P.1546-2 Method for point-to-area predictions for terrestrial services in the frequency range 30 MHz to 3 000 MHz representative height of ground Rec. ITU-R P.1546-2 Method for point-to-area predictions for cover terrestrial services in the frequency range 30 MHz to 3 000 MHz re-radiating structures Rec. ITU-R P.845-3 HF field strength measurement residential curves Rec. ITU-R P.372-8 Radio Noise RET parameters Rec. ITU-R P.833-5 Attenuation in Vegetation return period Rec. ITU-R P.687-1 Characterization of natural variability of propagation phenomena rhombic antennas Rec. ITU-R P.845-3 HF field strength measurement right ascension(l) Rec. ITU-R P.372-8 Radio Noise riometer Rec. ITU-R P.531-8 Ionospheric propagation data and prediction methods required for the design of satellite services and systems rolling terrain Rec. ITU-R P.526-10 Propagation by Diffraction roof-top level Rec.ITU-R P.1411-3 Propagation data and prediction methods for the planning of short-range outdoor radiocommunication systems and radio local area networks in the frequency range 300 MHz to 100 GHz rough surface Rec. ITU-R P.526-10 Propagation by Diffraction rough terrain Rec. ITU-R P.530-11 Propagation data and prediction methods required for the design of terrestrial line-of- sight systems route-diversity Rec. ITU-R P.530-11 Propagation data and prediction methods required for the design of terrestrial line-of- sight systems Runge-Kutta technique Rec. ITU-R P.684-4 Prediction of field strength at frequencies below about 150 kHz rural or open area Rec. ITU-R P.1546-2 Method for point-to-area predictions for terrestrial services in the frequency range 30 MHz to 3 000 MHz satellite constellations Rec. ITU-R P.618-8 Propagation data and prediction methods Rec. ITU-R P.681-6 required for the design of Earth-space telecommunication systems satellite diversity Rec. ITU-R P.681-6 Propagation data required for the design of Earth-space land mobile telecommunication systems satellite longitudinal Rec. ITU-R P.372-8 Radio Noise satellite systems Rec. ITU-R P.618-8 Propagation data and prediction methods Rec. ITU-R P.679-3 required for the design of Earth-space telecommunication systems saturation vapour pressure Rec. ITU-R P.453-9 The Radio refractive index its formulae and refractive data scatter Rec. ITU-R P.452-12 Prediction procedure for the evaluation of Rec. ITU-R P.617-1 microwave interference between stations on Rec. ITU-R P.618-8 the surface of the Earth at frequencies Rec. ITU-R P.619-1 above about 0.7 GHz* Rec. ITU-R P.620-6 Rec. ITU-R P.679-3 Rec. ITU-R P.843-1 Rec. ITU-R P.844-1 Rec. ITU-R P.1409-0 Rec. ITU-R P.1622-0 scattering cross-sections Rec. ITU-R P.681-6 Propagation data required for the design of Earth-space land mobile telecommunication systems scintillation Rec. ITU-R P.452-12 Prediction procedure for the evaluation of Rec. ITU-R P.531-8 microwave interference between stations on Rec. ITU-R P.618-8 the surface of the Earth at frequencies Rec. ITU-R P.619-1 above about 0.7 GHz* Rec. ITU-R P.679-3 Rec. ITU-R P.680-3 Rec. ITU-R P.681-6 Rec. ITU-R P.682-1 Rec. ITU-R P.844-1 Rec. ITU-R P.846-1 Rec. ITU-R P.1409-0 Rec. ITU-R P.1622-0 Rec. ITU-R P.1623-1 scintillation fading Rec. ITU-R P.530-11 Propagation data and prediction methods required for the design of terrestrial line-of- sight systems scintillation index Rec. ITU-R P.531-8 Ionospheric propagation data and prediction methods required for the design of satellite services and systems screening Rec. ITU-R P.533-8 HF propagation prediction method sea gain Rec.ITU-R P. 435-7 Sky-wave field-strenght prediction method for Broadcasting Service in the Frequency range 150 to 1600KHz. sea ice Rec. ITU-R P.527-3 Electrical characteristics of the surface of the Earth sea level Rec. ITU-R P.1621-1 Propagation data required for the design for Earth-space systems operating sea path Rec. ITU-R P.1546-2 Method for point-to-area predictions for terrestrial services in the frequency range 30 MHz to 3 000 MHz sea water Rec. ITU-R P.527-3 Electrical characteristics of the surface of the Earth sea-gain correction Rec.ITU-R P. 435-7 Sky-wave field-strenght prediction method for Broadcasting Service in the Frequency range 150 to 1600KHz. seasonal fluctuation value Rec. ITU-R P.834-6 Effects of Tropospheric Refaction on the parameters Radiowave Propagation seasonal variation Rec. ITU-R P.527-3 Electrical characteristics of the surface of the Earth second order longitude Rec.ITU-R P.1239-0 ITU-R Reference Ionospheric characteristics semi-Epstein layers Rec. ITU-R P.531-8 Ionospheric propagation data and prediction methods required for the design of satellite services and systems service area Rec. ITU-R P.1546-2 Method for point-to-area predictions for terrestrial services in the frequency range 30 MHz to 3 000 MHz service planning Rec.ITU-R P. 434-6 ITU-R Reference Ionospheric Characteristics and Methods of Basic MUF Operational MUF and Ray-path Prediction service reliability Rec. ITU-R P.842-3 Computation of reliability and compatibility of HF radio systems settled field distance Rec.ITU-R P.1411-3 Propagation data and prediction methods for the planning of short-range outdoor radiocommunication systems and radio local area networks in the frequency range 300 MHz to 100 GHz shadow zone Rec. ITU-R P.684-4 Prediction of field strength at frequencies below about 150 kHz shadowing Rec. ITU-R P.679-3 Propagation data required for the design of Rec. ITU-R P.681-6 broadcasting-satellite systems Rec.ITU-R P.1406-0 Rec. ITU-R P.1546-2 shadowing cross-correlation Rec. ITU-R P.681-6 Propagation data required for the design of coefficient Earth-space land mobile telecommunication systems shadowing loss by surrounding Rec. ITU-R P.1407-2 Multipath propagation parametrization of its objects characteristics sharing Rec. ITU-R P.1409-0 Propagation Data and Prediction Methods Required for the Design of Systems Using High Altitude Platform Stations At About 47 GHz short-range Rec.ITU-R P.1411-3 Propagation data and prediction methods for the planning of short-range outdoor radiocommunication systems and radio local area networks in the frequency range 300 MHz to 100 GHz side diffraction component Rec. ITU-R P.833-5 Attenuation in Vegetation side-lobe gain Rec.ITU-R P.1412-0 Propagation data for the evaluation of coordination between Earth station in working in the bidirectionally allocated frequency bands sidescattered Rec. ITU-R P.1060-0 Propagation factors affecting frequency sharing in HF terrestrial systems signal contamination Rec. ITU-R P.845-3 HF field strength measurement signal/noise ratio /signal-to-noise Rec. ITU-R P.373-8 Definitions of Maximum and Minimum ratio Rec. ITU-R P.533-8 Transmission Frequencies Rec. ITU-R P.618-8 Rec. ITU-R P.842-3 Rec. ITU-R P.843-1 Rec. ITU-R P.845-3 signal-intensity Rec. ITU-R P.845-3 HF field strength measurement signal-to-background ratio Rec. ITU-R P.842-3 Computation of reliability and compatibility of HF radio systems signal-to-interference ratio Rec. ITU-R P.680-3 Propagation data required for the design of Rec. ITU-R P.842-3 earth-space maritime mobile telecommunication systems single knife-edge obstacles Rec. ITU-R P.526-10 Propagation by Diffraction single round obstacles Rec. ITU-R P.526-10 Propagation by Diffraction single walls Rec. ITU-R P.681-6 Propagation data required for the design of Earth-space land mobile telecommunication systems single-sideband Rec. ITU-R P.845-3 HF field strength measurement site diversity Rec. ITU-R P.618-8 Propagation data and prediction methods required for the design of Earth-space telecommunication systems site shielding Rec. ITU-R P.620-6 Propagation data required for the evaluation of coordination distances in the frequency range 100 MHz to 105 GHz site-specific Rec.ITU-R P.1411-3 Propagation data and prediction methods for the planning of short-range outdoor radiocommunication systems and radio local area networks in the frequency range 300 MHz to 100 GHz sixth-order spherical-harmonic Rec.ITU-R P. 434-6 ITU-R Reference Ionospheric Characteristics and Methods of Basic MUF Operational MUF and Ray-path Prediction sky brightness temperature Rec. ITU-R P.1322-0 Radiometric estimation of atmospheric attenuation sky-noise temperature Rec. ITU-R P.618-8 Propagation data and prediction methods required for the design of Earth-space telecommunication systems sky-wave Rec. ITU-R P.534-4 Method of Calculating sporatic E Field Rec. ITU-R P.684-4 Strength Rec. ITU-R P.845-3 sky-wave field strength Rec.ITU-R P. 435-7 Sky-wave field-strenght prediction method for Broadcasting Service in the Frequency range 150 to 1600KHz. sky-wave modes Rec.ITU-R P.1321-0 Propagation factor affecting systems using digital modulation techniques at LF and MF sky-wave propagation Rec. ITU-R P.533-8 HF propagation prediction method sky-wave signals Rec.ITU-R P.1321-0 Propagation factor affecting systems using digital modulation techniques at LF and MF slant path /slant-path Rec. ITU-R P.618-8 Attenuation by atmospheric gases Rec. ITU-R P.676-7 slant path annual rain attenuation Rec.ITUR P. 311-12 Acquisition, presentation and analysis of and rain rate statistics data in studies of tropospheric propagation slant path annual XPD statistics Rec.ITUR P. 311-12 Acquisition, presentation and analysis of data in studies of tropospheric propagation slant path annual XPD statistics Rec.ITUR P. 311-12 Acquisition, presentation and analysis of conditioned to CPA data in studies of tropospheric propagation slant path fade duration statistics Rec.ITUR P. 311-12 Acquisition, presentation and analysis of data in studies of tropospheric propagation slant path fade slope statistics Rec.ITUR P. 311-12 Acquisition, presentation and analysis of data in studies of tropospheric propagation slant path site diversity statistics Rec.ITUR P. 311-12 Acquisition, presentation and analysis of data in studies of tropospheric propagation slant path standard deviations of Rec.ITUR P. 311-12 Acquisition, presentation and analysis of scintillations data in studies of tropospheric propagation slant path statistics of amplitude Rec.ITUR P. 311-12 Acquisition, presentation and analysis of scintillations data in studies of tropospheric propagation slant path worst-month rain Rec.ITUR P. 311-12 Acquisition, presentation and analysis of attenuation statistics data in studies of tropospheric propagation slant propagation distance Rec.ITU-R P. 435-7 Sky-wave field-strenght prediction method for Broadcasting Service in the Frequency range 150 to 1600KHz. slant-propagation distance Rec.ITU-R P. 435-7 Sky-wave field-strenght prediction method for Broadcasting Service in the Frequency range 150 to 1600KHz. slope distance Rec. ITU-R P.526-10 Propagation by Diffraction small Doppler shifts Rec.ITU-R P.1411-3 Propagation data and prediction methods for the planning of short-range outdoor radiocommunication systems and radio local area networks in the frequency range 300 MHz to 100 GHz small macro-cell Rec.ITU-R P.1411-3 Propagation data and prediction methods for the planning of short-range outdoor radiocommunication systems and radio local area networks in the frequency range 300 MHz to 100 GHz smooth spherical Earth Rec. ITU-R P.530-11 Propagation data and prediction methods required for the design of terrestrial line-of- sight systems smooth terrain Rec. ITU-R P.526-10 Propagation by Diffraction Rec. ITU-R P.530-11 smooth-earth Rec. ITU-R P.452-12 Prediction procedure for the evaluation of microwave interference between stations on the surface of the Earth at frequencies above about 0.7 GHz* solar cycle Rec. ITU-R P.313-10 Prediction of field strength at frequencies Rec. ITU-R P.371-8 below about 150 kHz Rec. ITU-R P.684-4 Rec. ITU-R P.845-3 solar declination Rec.ITU-R P. 434-6 ITU-R Reference Ionospheric Rec.ITU-R P.1239-0 Characteristics and Methods of Basic MUF Operational MUF and Ray-path Prediction solar radio noise flux Rec. ITU-R P.371-8 Choice of Indices for Long-Term Ionospheric Predictions solar zenith angle Rec.ITU-R P. 434-6 Rec. Prediction of field strength at frequencies ITU-R P.684-4 below about 150 kHz solar-index Rec. ITU-R P.533-8 HF propagation prediction method space diversity Rec. ITU-R P.530-11 Propagation data and prediction methods Rec. ITU-R P.617-1 required for the design of terrestrial line-of- sight systems spaceborne transmitters Rec. ITU-R P.532-1 Ionospheric Effects and Operational Considerations Associated with the Artificial Modification of the Ionosphere and the Radio Wave Channel spatial distribution Rec. ITU-R P.530-11 Propagation data and prediction methods required for the design of terrestrial line-of- sight systems spatial variability Rec. ITU-R P.679-3 Propagation data required for the design of broadcasting-satellite systems spatial variability of signal Rec. ITU-R P.1407-2 Multipath propagation parametrization of its strength characteristics spatial variation Rec. ITU-R P.843-1 Communication by Meteor-burst Propagation specific attenuation Rec. ITU-R P.530-11 Propagation data and prediction methods Rec. ITU-R P.620-6 required for the design of terrestrial line-of- sight systems specific attenuation by water Rec. ITU-R P.840-3 Attenuation due to Cloud and Fog droplets specific attenuation coefficient K Rec. ITU-R P.840-3 Attenuation due to Cloud and Fog specific attenuation due to Rec. ITU-R P.833-5 Attenuation in Vegetation Woodland specific attenuation rate(bB/m) Rec. ITU-R P.833-5 Attenuation in Vegetation due to primarily scattering spectroscopic data for oxigen Rec. ITU-R P.676-7 Attenuation by atmospheric gases attenuation specular geometry Rec. ITU-R P.1409-0 Propagation Data and Prediction Methods Required for the Design of Systems Using High Altitude Platform Stations At About 47 GHz specular reflection Rec. ITU-R P.526-10 Propagation by Diffraction Rec. ITU-R P.530-11 Rec. ITU-R P.681-6 Rec. ITU-R P.682-1 specular reflection condition Rec. ITU-R P.843-1 Communication by Meteor-burst Propagation spherical Earth surface Rec. ITU-R P.526-10 Propagation by Diffraction Rec. ITU-R P.684-4 sporadic E Rec. ITU-R P.534-4 Method of Calculating sporatic E Field Rec. ITU-R P.844-1 Strength Rec. ITU-R P.1060-0 sporadic-E ionization Rec. ITU-R P.1546-2 Method for point-to-area predictions for terrestrial services in the frequency range 30 MHz to 3 000 MHz spurious emissions field strength Rec. ITU-R P.372-8 Radio Noise banbwidth standard atmosphere Rec. ITU-R P.372-8 Radio Noise Rec. ITU-R P.835-4 Rec. ITU-R P.1621-1 standard deviation Rec.ITUR P. 311-12 Radio Noise Rec. ITU-R P.372-8 Rec.ITU-R P.1148-1 standard values Rec. ITU-R P.832-2 World Atlas of Conductivity statistical distribution of Rec. ITU-R P.453-9 The Radio refractive index its formulae and refractivity gradient refractive data statistics of evaporation ducts Rec.ITUR P. 311-12 Acquisition, presentation and analysis of data in studies of tropospheric propagation statistics of mean surface Rec.ITUR P. 311-12 Acquisition, presentation and analysis of refractivity data in studies of tropospheric propagation statistics of rain event duration Rec.ITUR P. 311-12 Acquisition, presentation and analysis of data in studies of tropospheric propagation statistics of rain intensity Rec.ITUR P. 311-12 Acquisition, presentation and analysis of data in studies of tropospheric propagation street canyon / street-canyon Rec. ITU-R P.681-6 Propagation data and prediction methods for Rec.ITU-R P.1406-0 the planning of short-range outdoor Rec.ITU-R P.1411-3 radiocommunication systems and radio local area networks in the frequency range 300 MHz to 100 GHz street crossings Rec. ITU-R P.681-6 Propagation data required for the design of Earth-space land mobile telecommunication systems stretched string Rec. ITU-R P.526-10 Propagation by Diffraction sub-refractive Rec. ITU-R P.530-11 Propagation data and prediction methods required for the design of terrestrial line-of- sight systems suburban area Rec. ITU-R P.681-6 Method for point-to-area predictions for Rec. ITU-R P.1546-2 terrestrial services in the frequency range 30 MHz to 3 000 MHz sudden ionospheric Rec. ITU-R P.845-3 HF field strength measurement disturbances (SIDs) suitability Rec.ITUR P. 311-12 Acquisition, presentation and analysis of data in studies of tropospheric propagation summers mid-latitude Rec. ITU-R P.835-4 Reference Standard Atmosphere sunspot number Rec. ITU-R P.313-10 Standardizing procedure for cmparing Rec. ITU-R P.371-8 predicted and oberved HF sky-wave Rec. ITU-R P.531-8 observed HF signal intensities and the Rec. ITU-R P.684-4 presentation of such comparisons Rec. ITU-R P.846-1 Rec.ITU-R P.1148-1 super-refraction /super-refractive Rec. ITU-R P.530-11 Method for point-to-area predictions for Rec. ITU-R P.1546-2 terrestrial services in the frequency range 30 MHz to 3 000 MHz supplementary contours Rec.ITU-R P.1448-0 Determination of the coordination of the area around an Earth station the frequency bands between 100 MHZ and 105 GHz suppressed carrier Rec. ITU-R P.845-3 HF field strength measurement surface mean annual Rec. ITU-R P.1510-0 Annual mean surface temperature temperature surface multipath Rec. ITU-R P.530-11 Propagation data and prediction methods required for the design of terrestrial line-of- sight systems surface reflection Rec. ITU-R P.530-11 Propagation data and prediction methods required for the design of terrestrial line-of- sight systems surface refractivity Rec. ITU-R P.453-9 The Radio refractive index its formulae and refractive data tandem network Rec. ITU-R P.530-11 Propagation data and prediction methods required for the design of terrestrial line-of- sight systems TCA Rec. ITU-R P.1546-2 Method for point-to-area predictions for terrestrial services in the frequency range 30 MHz to 3 000 MHz temperature gradient Rec. ITU-R P.835-4 Reference Standard Atmosphere temporal distribution Rec. ITU-R P.530-11 Propagation data and prediction methods required for the design of terrestrial line-of- sight systems temporal variation Rec. ITU-R P.534-4 Method of Calculating sporatic E Field Rec. ITU-R P.843-1 Strength terrain clearance angle Rec. ITU-R P.1546-2 Method for point-to-area predictions for terrestrial services in the frequency range 30 MHz to 3 000 MHz terrain heights Rec. ITU-R P.530-11 Propagation data and prediction methods required for the design of terrestrial line-of- sight systems terrain obstacles Rec. ITU-R P.530-11 Propagation data and prediction methods required for the design of terrestrial line-of- sight systems terrain roughness Rec. ITU-R P.452-12 Prediction procedure for the evaluation of microwave interference between stations on the surface of the Earth at frequencies above about 0.7 GHz* terrain shielding Rec. ITU-R P.530-11 Propagation data and prediction methods required for the design of terrestrial line-of- sight systems terrestrial broadcasting data Rec.ITUR P. 311-12 Acquisition, presentation and analysis of data in studies of tropospheric propagation terrestrial broadcasting signal Rec.ITUR P. 311-12 Acquisition, presentation and analysis of level variation with location data in studies of tropospheric propagation terrestrial broadcasting signal Rec.ITUR P. 311-12 Acquisition, presentation and analysis of level variation with time data in studies of tropospheric propagation terrestrial land mobile data Rec.ITUR P. 311-12 Acquisition, presentation and analysis of data in studies of tropospheric propagation terrestrial line-of-sight path data Rec.ITUR P. 311-12 Acquisition, presentation and analysis of data in studies of tropospheric propagation terrestrial path Rec. ITU-R P.676-7 Attenuation by atmospheric gases terrestrial propagation Rec. ITU-R P.679-3 Propagation data required for the design of broadcasting-satellite systems terrestrial stations Rec. ITU-R P.620-6 Propagation data required for the evaluation of coordination distances in the frequency range 100 MHz to 105 GHz terrestrial trans-horizon path and Rec.ITUR P. 311-12 Acquisition, presentation and analysis of rain scatter data data in studies of tropospheric propagation testing criteria for comparing Rec.ITUR P. 311-12 Acquisition, presentation and analysis of prediction methods data in studies of tropospheric propagation testing method for comparing Rec.ITUR P. 311-12 Acquisition, presentation and analysis of fade duration predictions data in studies of tropospheric propagation testing method for comparing Rec.ITUR P. 311-12 Acquisition, presentation and analysis of fade slope predictions data in studies of tropospheric propagation testing variable for comparing Rec.ITUR P. 311-12 Acquisition, presentation and analysis of rain attenuation predictions data in studies of tropospheric propagation thermal noise Rec. ITU-R P.530-11 Propagation data and prediction methods required for the design of terrestrial line-of- sight systems thermal perturbation Rec. ITU-R P.532-1 Ionospheric Effects and Operational Considerations Associated with the Artificial Modification of the Ionosphere and the Radio Wave Channel thermal self-focusing process Rec. ITU-R P.532-1 Ionospheric Effects and Operational Considerations Associated with the Artificial Modification of the Ionosphere and the Radio Wave Channel time percentage, percentage Rec. ITU-R P.452-12 Prediction procedure for the evaluation of times Rec. ITU-R P.530-11 microwave interference between stations on Rec. ITU-R P.534-4 the surface of the Earth at frequencies Rec. ITU-R P.681-6 above about 0.7 GHz* Rec. ITU-R P.619-1 Rec. ITU-R P.620-6 Rec. ITU-R P.679-3 Rec. ITU-R P.680-3 Rec. ITU-R P.681-6 Rec. ITU-R P.1409-0 Rec. ITU-R P.1546-2 time service compatibility (TSC) Rec. ITU-R P.842-3 Computation of reliability and compatibility of HF radio systems time variability Rec. ITU-R P.1546-2 Method for point-to-area predictions for terrestrial services in the frequency range 30 MHz to 3 000 MHz time-invariant gain (TIG) Rec.ITU-R P.1448-0 Determination of the coordination of the area around an Earth station the frequency bands between 100 MHZ and 105 GHz time-of-day factor Rec.ITU-R P. 434-6 ITU-R Reference Ionospheric Rec.ITU-R P.1239-0 Characteristics and Methods of Basic MUF Operational MUF and Ray-path Prediction T-junctions Rec. ITU-R P.681-6 Propagation data required for the design of Earth-space land mobile telecommunication systems top diffraction component Rec. ITU-R P.833-5 Attenuation in Vegetation total electron content (TEC) Rec. ITU-R P.531-8 Propagation data and prediction methods Rec. ITU-R P.618-8 required for the design of Earth-space Rec. ITU-R P.679-3 telecommunication systems Rec. ITU-R P.680-3 Rec. ITU-R P.846-1 trail height Rec. ITU-R P.843-1 Communication by Meteor-burst Propagation trans- horizon radio-relay Rec.ITU-R P. 370-7 VHF and UHF Propagation Curves for the systems Frequency range from 30 MHz to 1000 MHz transequatorial Rec. ITU-R P.844-1 Ionospheric factors affecting frequency sharing in the VHF and UHF bands (30 MHz- 3 GHz) trans-equatorial propagation Rec. ITU-R P.534-4 Method of Calculating sporatic E Field (TEP) Rec. ITU-R P.844-1 Strength trans-horizon Rec. ITU-R P.617-1 PROPAGATION PREDICTION TECHNIQUES AND DATA REQUIRED FOR THE DESIGN OF TRANS- HORIZON RADIO-RELAY SYSTEMS trans-horizon land Rec. ITU-R P.841-4 Conversion of annual statistics to worst- month statistics trans-horizon propagation Rec. ITU-R P.452-12 Prediction procedure for the evaluation of microwave interference between stations on the surface of the Earth at frequencies above about 0.7 GHz* trans-horizon sea Rec. ITU-R P.841-4 Conversion of annual statistics to worst- month statistics transient modes of propagation Rec. ITU-R P.532-1 Ionospheric Effects and Operational Considerations Associated with the Artificial Modification of the Ionosphere and the Radio Wave Channel trans-ionospheric propagation Rec. ITU-R P.531-8 Ionospheric propagation data and prediction Rec. ITU-R P.846-1 methods required for the design of satellite services and systems transmission loss Rec. ITU-R P.452-12 Prediction procedure for the evaluation of Rec. ITU-R P.845-3 microwave interference between stations on the surface of the Earth at frequencies above about 0.7 GHz* transmitter and receiver were co- Rec.ITU-R P.1410-3 Propagation data and prediction methods located required for the design of terrestrial broadband millimetric radio access systems operating in frequency range of about 20-50 GHz transmitting/base antenna Rec. ITU-R P.1546-2 Method for point-to-area predictions for terrestrial services in the frequency range 30 MHz to 3 000 MHz transverse direction Rec. ITU-R P.530-11 Propagation data and prediction methods required for the design of terrestrial line-of- sight systems transverse-electrical (TE) Rec.ITU-R P.1406-0 Propagation effects relating to terrestrial land mobile service in the VHF and UHF bands transverse-magnetic (TM) Rec.ITU-R P.1406-0 Propagation effects relating to terrestrial land mobile service in the VHF and UHF bands triangulated irregular Rec. ITU-R P.1058-2 Digital topographic database for propagation network(TIN) studies tropopause Rec. ITU-R P.372-8 Prediction procedure for the evaluation of Rec. ITU-R P.452-12 microwave interference between stations on the surface of the Earth at frequencies above about 0.7 GHz* troposcatter Rec. ITU-R P.452-12 Prediction procedure for the evaluation of microwave interference between stations on the surface of the Earth at frequencies above about 0.7 GHz* troposphere Rec. ITU-R P.619-1 Propagation Data required for the Evaluation Rec. ITU-R P.620-6 of Interference between Stations in Space Rec. ITU-R P.679-3 ant those on the Surface of the Earth Rec. ITU-R P.680-3 Rec. ITU-R P.681-6 Rec. ITU-R P.682-1 Rec. ITU-R P.844-1 Rec. ITU-R P.1409-0 tropospheric propagation Rec.ITUR P. 311-12 Acquisition, presentation and analysis of Rec. ITU-R P.1546-2 data in studies of tropospheric propagation tropospheric scatter Rec. ITU-R P.452-12 Prediction procedure for the evaluation of Rec. ITU-R P.617-1 microwave interference between stations on Rec. ITU-R P.1546-2 the surface of the Earth at frequencies above about 0.7 GHz* tropospheric scintillation Rec.ITUR P. 311-12 Acquisition, presentation and analysis of data in studies of tropospheric propagation true elevation angle Rec. ITU-R P.1621-1 Propagation data required for the design for Earth-space systems operating types of terrain Rec. ITU-R P.526-10 Propagation by Diffraction typified by wide streets Rec.ITU-R P.1411-3 Propagation data and prediction methods for the planning of short-range outdoor radiocommunication systems and radio local area networks in the frequency range 300 MHz to 100 GHz UHF Rec. ITU-R P.532-1 Ionospheric Effects and Operational Rec. ITU-R P.844-1 Considerations Associated with the Artificial Modification of the Ionosphere and the Radio Wave Channel ultra-wideband (UWB) Rec.ITU-R P.1791-0 Propagation prediction methods for assessment of the impact of ultra- wideband devices unbalanced site diversity Rec. ITU-R P.618-8 Propagation data and prediction methods required for the design of Earth-space telecommunication systems unbalanced-to-unbalanced Rec. ITU-R P.845-3 HF field strength measurement isolation transformer uncorrelated Rec. ITU-R P.619-1 Propagation Data required for the Evaluation of Interference between Stations in Space ant those on the Surface of the Earth underdense echo ceiling Rec. ITU-R P.843-1 Communication by Meteor-burst Propagation underdense trails Rec. ITU-R P.843-1 Communication by Meteor-burst Propagation Uniform theory of diffaction(UTD) Rec. ITU-R P.526-10 Propagation by Diffraction universal time (UTC) Rec.ITU-R P. 434-6 ITU-R Reference Ionospheric Characteristics and Methods of Basic MUF Operational MUF and Ray-path Prediction uplink Rec. ITU-R P.618-8 Multipath propagation parametrization of its Rec. ITU-R P.619-1 characteristics Rec. ITU-R P.680-3 Rec. ITU-R P.1407-2 upper decile Rec. ITU-R P.842-3 Computation of reliability and compatibility of HF radio systems urban area Rec. ITU-R P.681-6 Method for point-to-area predictions for Rec. ITU-R P.1546-2 terrestrial services in the frequency range 30 MHz to 3 000 MHz urban canyon Rec.ITU-R P.1411-3 Propagation data and prediction methods for the planning of short-range outdoor radiocommunication systems and radio local area networks in the frequency range 300 MHz to 100 GHz urban high-rise Rec.ITU-R P.1411-3 Propagation data and prediction methods for the planning of short-range outdoor radiocommunication systems and radio local area networks in the frequency range 300 MHz to 100 GHz useful burst rate Rec. ITU-R P.843-1 Communication by Meteor-burst Propagation UWB transmission channel Rec.ITU-R P.1791-0 Propagation prediction methods for assessment of the impact of ultra- wideband devices vacuum wavelength Rec. ITU-R P.1621-1 Propagation data required for the design for Earth-space systems operating variance Rec. ITU-R P.452-12 Prediction procedure for the evaluation of microwave interference between stations on the surface of the Earth at frequencies above about 0.7 GHz* vegetation and building data Rec.ITUR P. 311-12 Acquisition, presentation and analysis of data in studies of tropospheric propagation vegetation and clutter losses Rec.ITU-R P.1406-0 Propagation effects relating to terrestrial land mobile service in the VHF and UHF bands vegetation fade dynamics Rec. ITU-R P.833-5 Attenuation in Vegetation measuread at 38GHz vehicle entry loss Rec. ITU-R P.679-3 Propagation data required for the design of broadcasting-satellite systems velocity aberrations Rec. ITU-R P.1621-1 Propagation data required for the design for Earth-space systems operating vertical incidence soundings of Rec.ITU-R P. 434-6 ITU-R Reference Ionospheric the ionosphere Characteristics and Methods of Basic MUF Operational MUF and Ray-path Prediction vertical polarization Rec. ITU-R P.372-8 Radio Noise vertical profile obstacles Rec. ITU-R P.526-10 Propagation by Diffraction vertical radiation pattern (vrp) Rec. ITU-R P.845-3 HF field strength measurement vertical refractivity(refractive) Rec. ITU-R P.453-9 The Radio refractive index its formulae and gradient Rec. ITU-R P.834-6 refractive data vertically inhomogeneous Rec. ITU-R P.684-4 Prediction of field strength at frequencies anisotropic ionosphere below about 150 kHz VHF Rec. ITU-R P.534-4 Method of Calculating sporatic E Field Rec. ITU-R P.843-1 Strength Rec. ITU-R P.844-1 visibility of space station Rec. ITU-R P.834-6 Effects of Tropospheric Refaction on the Radiowave Propagation visible satellites Rec. ITU-R P.681-6 Propagation data required for the design of Earth-space land mobile telecommunication systems VLF Rec. ITU-R P.532-1 Ionospheric Effects and Operational Rec. ITU-R P.684-4 Considerations Associated with the Artificial Modification of the Ionosphere and the Radio Wave Channel VLF conductivity maps Rec. ITU-R P.832-2 World Atlas of Conductivity voltage deviation Rec. ITU-R P.372-8 Radio Noise wanted signal Rec. ITU-R P.842-3 Computation of reliability and compatibility of HF radio systems wanted wave Rec. ITU-R P.532-1 Ionospheric Effects and Operational Considerations Associated with the Artificial Modification of the Ionosphere and the Radio Wave Channel warm seas Rec. ITU-R P.620-6 Propagation data required for the evaluation Rec.ITU-R P.1448-0 of coordination distances in the frequency range 100 MHz to 105 GHz wavefront Rec. ITU-R P.1622-0 Prediction methods required for the design of Earth-space systems operating between 20 THz and 375 THz wave-front incoherence Rec. ITU-R P.618-8 Propagation data and prediction methods required for the design of Earth-space telecommunication systems waveguide mode method Rec. ITU-R P.684-4 Prediction of field strength at frequencies below about 150 kHz wave-hop treatment Rec. ITU-R P.684-4 Prediction of field strength at frequencies below about 150 kHz wavelength independent Rec. ITU-R P.1621-1 Propagation data required for the design for Earth-space systems operating weather-chart (FAX) transmitters Rec. ITU-R P.845-3 HF field strength measurement weighted average of the sky Rec. ITU-R P.372-8 Radio Noise brightness temperature weighting function Rec.ITUR P. 311-12 Acquisition, presentation and analysis of data in studies of tropospheric propagation wet term of the surface Rec. ITU-R P.453-9 The Radio refractive index its formulae and refractivity refractive data White Gaussian background Rec. ITU-R P.372-8 Radio Noise wideband statistics for mobile- Rec.ITUR P. 311-12 Acquisition, presentation and analysis of satellite links data in studies of tropospheric propagation widebeam receiver Rec.ITU-R P.1412-0 Propagation data for the evaluation of coordination between Earth station in working in the bidirectionally allocated frequency bands winter mid- latitude Rec. ITU-R P.835-4 Reference Standard Atmosphere World Atlas of Ground Rec. ITU-R P.832-2 World Atlas of Conductivity Conductivities world charts Rec. ITU-R P.453-9 The Radio refractive index its formulae and refractive data worst atmosphere layer Rec. ITU-R P.453-9 The Radio refractive index its formulae and refractive data worst case Rec.ITU-R P.1412-0 Propagation data for the evaluation of coordination between Earth station in working in the bidirectionally allocated frequency bands worst month / worst-month Rec. ITU-R P.452-12 Prediction procedure for the evaluation of Rec. ITU-R P.617-1 microwave interference between stations on Rec. ITU-R P.618-8 the surface of the Earth at frequencies Rec. ITU-R P.620-6 above about 0.7 GHz* Rec. ITU-R P.679-3 worst-month cumulative statistics Rec.ITUR P. 311-12 Acquisition, presentation and analysis of data in studies of tropospheric propagation zenith angle Rec. ITU-R P.531-8 Ionospheric propagation data and prediction Rec. ITU-R P.1622-0 methods required for the design of satellite services and systems zenith brightness temperature Rec. ITU-R P.372-8 Radio Noise zenith paths Rec. ITU-R P.1621-1 Propagation data required for the design for Earth-space systems operating 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 2 entries for MUF, but not 2E MUF 3 no entry 3 no entry 3 no entry 2 entry and definition for adjacent channel 2 entry and definition for adjacent channel 2 entry and definition for adjacent channel 3 no entry 3 no entry 3 no entry 3 no entry 2 entry and definition for diversity reception 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 2 entry and definition for field strength 2 entry and definition for field strength 3 no entry 3 entry for worst month only 3 no entry 3 no entry 3 no entry 1 does not cite this Rec 1 does not cite this Rec 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 1 definition does cite this Rec 3 no entry 3 no entry 3 no entry 2 entry, but no definition for reference atmosphere for refraction 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 entry for refractive index--no definition 3 no entry 2 entry and definition for attenuation 2 entry and definition for attenuation 1 does not cite this Rec 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 2 entry for noise temperature with definition 3 entry for worst month only 3 no entry 2 entry--no definition 2 entry for azimuth--no definition 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 1 does not cite this Rec 2 entry and definition for bandwidth 1 definition for circuit reliability-- does cite this Rec 1 definition for communications reliability--does cite this Rec 1 definition for path reliability--does cite this Rec 1 definition for reception reliability-- does cite this Rec 1 definition for reliability--does cite this Rec 1 definition for service reliability-- does cite this Rec 1 does not cite this Rec 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 1 does not cite this Rec 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 1 does not cite this Rec 1 does not cite this Rec 2 entry and definition for broadcast (sevices) does not cite this Rec 3 no entry 3 no entry 3 no entry 3 no entry 1 does not cite this Rec 2 entry--no definition 3 no entry 3 no entry 3 no entry 3 no entry 1 several entries of terms with definitions 3 no entry 3 no entry 3 no entry 3 no entry 1 does not cite this Rec 2 entries, but no definitions for right- hand and left-hand circular polarization 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 2 entry and definition for co-channel 3 no entry 2 entry and definition for co-channel 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 1 does not cite this Rec 1 does not cite this Rec 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 1 does not cite this Rec 1 does not cite this Rec 2 entry--no definition 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 2 entry for antenna to medium coupling loss--no definition 3 no entry 3 no entry 3 no entry 3 no entry 1 does not cite this Rec 3 no entry 3 no entry 1 does not cite this Rec 2 entry for cross polarization 2 entry--no definition 3 no entry 2 entry--no definition 3 no entry 3 no entry 3 no entry 1 does not cite this Rec 3 no entry 3 no entry 3 no entry 2 entry for field strength 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 1 does not cite this Rec 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 1 does not cite this Rec 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 4 entries--all ITU-T no useful entries for ITU-R 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 2 entry for diffuse reflection coefficient--no definition 3 no entry 2 entries and definitions for quantization 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 1 ITU-T entry--does not cite this Rec 2 several entries for types of dispersion--no definitions 3 no entry 3 no entry 2 entry for noise/distortion--no definition 3 sveral entries, but none for probability distributions--might consider a def with a listing the more common types of distributions 3 no entry 3 no entry 1 several entries of terms with definitions 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 1 3 entries for specific links 3 no entry 3 no entry 3 no entry 3 no entry 1 does not cite this Rec 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 2 entry for MUF 3 no entry 1 does not cite this Rec 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 2 ITU-T definitions--no echo definition for ITU-R 3 no entry 3 no entry 3 no entry 3 no entry 2 entry,but no definition for refractive index 1 does not cite this Rec 2 entry--no definition 3 no entry 1 entry and definition for effective transmitting antenna height,does not cite this rec 3 no entry 3 no entry 2 2 entries with definitions, does not cite this Rec 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 2 entry and definition for millimetric waves 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 2 2 entries-only the ITU-T entry has a definition 3 no entry 3 no entry 2 entry--no definition 3 no entry 1 does not cite this Rec 2 entry and definition for Hectomegametric waves 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 2 all entries are ITU-T no useful entries for ITU-R 2 equatorial entries, but just equatorial 3 no entry 3 no entry 3 no entry 2 entry for basic transmission loss 3 no entry 1 does not cite this Rec 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 2 several entries of some fade terms--no definitions 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 1 does not cite this Rec 2 entry--no definition 2 entry and definition for figure of merit 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 1 does not cite this Rec 1 does not cite this Rec 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 2 2 entries--one with definition 3 no entry 3 no entry 1 entry and definition for free-space transmission loss 3 no entry 2 entry--no definition 3 no entry 2 entry and definition for diversity reception 3 no entry 2 entry--no definition 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 2 entry and definition for geostationary satellite orbit 2 entry and definition for geostationary satellite orbit 1 entry is geostationary satellite-- does not cite this Rec 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 1 does not cite this Rec 3 entry for ground-wave only 1 does not cite this Rec 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 2 entry and definition for decametric waves 3 no entry 2 entry--no definition 3 no entry 2 entries for frequency hop and ionospheric hop 3 no entry 2 multiple entries for polarization-- none for horizontal polarization 3 no entry 3 no entry 2 entry--no definition 2 entry--no definition 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 2 entry--no definition 3 no entry 3 no entry 2 2 entries-one without def. one with def. 3 no entry 3 no entry 1 does not cite this Rec 2 entry--no definition 3 no entry 1 does not cite this Rec 2 entry for travelling ionospheric disturbance 3 no entry 2 entry for terrain irregularity 3 no entry 3 no entry 3 no entries for isotropic alone 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 1 does not cite this Rec 3 no entry 3 no entry 3 no entry 3 no entry 2 entry and definition under kilometric waves, this rec not cited 2 6 ITU-T entries, but nothing specifically for Lightning 3 no entry 3 no entry 2 entries for canted linear polarization and equatorial linear polarization--only defined in relation to satellites 3 no entry 1 does not cite this Rec 1 several entries of terms--some with definitions 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 1 does not cite this Rec 3 no entry 3 no entry 1 does not cite this Rec 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 2 entry for maritime mobile service- an ITU-T definition 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 2 entry--no definition 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 1 does not cite this Rec 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 2 entry and definition of hectometric waves 3 no entry 1 does not cite this Rec-entry is micro cells 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 2 definition for millimetric waves-- does not cite this Rec 3 no entry 3 no entry 2 entry for minimum separation distance--not applicable in this case 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 2 2 entries with definitions 1 does not cite this Rec 3 no entry 3 no entry 2 entries are ITU-T definitions, not appropriate for ITU-R 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 2 entry and definition for refractive index 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 1 does not cite this Rec 3 no entry 3 no entry 3 no entry 1 definition for multipoint systems-- does not cite this Rec 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 1 does not cite this Rec 3 no entry 3 no entry 3 no entry 2 noise alone has an entry but no def--some specific noise terms with definitions 1 entry is for noise factor--does not cite this Rec 2 entry--no definition 3 no entry 3 no entry 2 2 entries--both ITU-T one definition might be applicable 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 2 entry and definition for non- geostationary satellite orbit 2 entry and definition for non- geostationary satellite orbit 3 no entry 3 no entry 3 no entry 3 no entry 2 several entries--few to no definitions 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 1 does not cite this Rec 3 no entry 3 no entry 2 entry--no definition 3 no entry 3 no entry 1 ITU-T definition-could work for ITU-R-does not cite this Rec 3 no entry 3 no entry 3 no entry 3 no entry 2 entry for ITU for overlap-- definition not useful for this case 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 1 does not cite this Rec 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 1 definition for pico cells--does not cite this Rec 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 1 does not cite this Rec 3 no entry 3 no entry 2 entry for polar orbit 3 no entry 3 no entry 2 entry--no definition 2 entry--no definition 3 no entry 3 no entry 1 definition for percipitation scatter propagation--does not cite this Rec 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 1 several entries of propagation terms--good definitions 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 2 entry, but no definition for refractivity 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 1 does not cite this Rec 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 2 multiple entries--no definitions in any entry 3 no entry 3 no entry 2 entry,but no definition for penetration depth 2 entry for signal-to-noise ratio 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 entry for field strength 3 no entry 1 does not cite this Rec 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 2 entries for refraction, sub- refraction, super refraction, and reference atmosphere for refraction but none have definitions 3 no entry 3 no entry 2 entry--no definition 3 no entry 2 entry--no definition 3 no entry 2 entry, but no definition for standard refractivity vertical gradient 2 entry, but no definition for standard refractivity vertical gradient 3 no entry 3 no entry 3 no entry 3 no entry 1 this Rec is cited 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 2 entry--no definition 3 no entry 2 ITU-T definition for transmission route diversity 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 1 does not cite this Rec 3 no entry 1 entries for ionoshperic and tropospheric scatter with definitions--does not cite this rec 3 no entry 2 entry--no definition 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 2 entries for service area, but all are associated with a specific service(ie. Space station, IMT 2000) 3 no entry 1 cites this Rec 3 no entry 3 no entry 3 all entries are ITU-T definitions and not useful in this case 3 no entry 3 no entry 2 ITU-T definitions only 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 2 definition in file, but no link to file 3 no entry 3 no entry 1 does not cite this Rec 3 no entry 3 no entry 3 no entry 1 does not cite this Rec 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 2 definition for noise temperature only 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 2 definition for marco-cell only 3 no entry 2 entry--no definition 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 1 does not cite this Rec 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 1 does not cite this Rec 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 2 entry no definition for sub- refraction 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 2 entry--no definition for super- refraction 3 no entry 1 does not cite this Rec 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 1 does not cite this Rec 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 1 does not cite this Rec 3 no entry 3 no entry 2 definition for trans-hirizon propagation 3 no entry 1 good definition 3 no entry 3 no entry 1 does not cite this Rec 1 good definition 3 no entry 3 no entry 3 no entry 3 definition for TEM 3 definition for TEM 3 no entry 3 no entry 3 not in database-might be good to put in pointing to tropospheric scattering 1 does not cite this Rec 1 does not cite this Rec 1 does not cite this Rec 3 no entry 2 entry and definition for elevation angle 3 no entry 3 no entry 2 definition for decimetric waves 2 entry--no definition 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 1 does not cite this Rec 1 3 entries for specific links 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 1 does not cite this Rec 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 2 multiple entries for polarization-- none for vertical polarization 3 no entry 3 no entry 1 does not cite this Rec 3 no entry 2 definition for metric waves 3 no entry 3 no entry 2 definition for myriametric waves 3 no entry 3 no entry 2 ITU-T definition 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 3 no entry 2 entry--no definition 3 no entry 3 no entry 3 no entry 3 no entry