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     PRECISION LIGHTWEIGHT GPS
          RECEIVER (PLGR)


                  CPT Krystal Gates and
                  SFC Lesauis
                  1st BN, 364th RGMT
                  4th BDE, 91st DIV
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           AGENDA
 PURPOSE
 GPS CONCEPT
 PHYSICAL FEATURES
 CHARACTERISTICS
 PLGR OPERATION OBJECTIVES
 PLGR NAVIGATION
 PRACTICAL EXERCISE
 CONCLUSION
                              2
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            PURPOSE

     ENABLE THE USER TO OPERATE
       THE AN/PSN-11, PRECISION
          LIGHTWEIGHT GLOBAL
       POSITIONING SYSTEM (GPS)
     RECEIVER, TO FIND POSITIONAL
     DATA AND NAVIGATE FROM POINT
               TO POINT.


                                    3
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             GPS CONCEPT
    24 SATELLITES IN 6 ORBITS, 6-9 ARE IN VIEW
     OF THE GPS RECEIVER AT ANY TIME
    REQUIRES A MINIMUM OF 3 SATELLITES FOR
     LOCATION AND 4 FOR ELEVATION
    UTILIZES PRECISE TIMING FROM SATELLITE TO
     RECEIVER TO DETERMINE LOCATION AND
     ELEVATION
    REQUIRES LINE OF SIGHT TO SATELLITE RCVR
    COMSEC ALLOWS MAXIMUM ACCURACY


                                                  4
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           GLOBAL POSITIONING
                SYSTEM
                     GPS Satellite        GPS Satellite




     GPS Satellite                                  GPS Satellite




                              LOCATION AND ELEVATION
                              DETERMINED BY SIGNAL TIMING
                              FROM SATELLITE TO GPS RECEIVER.
              GPS User                                              5
              Segment
 91
       PHYSICAL FEATURES
                POWER
                BATTERY   KYK-13/KOI-18/ANCD
 DO NOT HIT                CONNECTOR (COMSEC)
                COVER
 CLR/MARK
    AND                           REAR PANEL
 NUM/LOCK                         CONNECTORS
OR YOU WILL
ZEROIZE THE                        DISPLAY
  DEVICE

                                   INTEGRAL
                                   ANTENNA

                                   KEYPAD
       HANDLE




                            MEMORY BATTERY COVER
                                                   6
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              PLGR
         CHARACTERISTICS
    ALL WEATHER OPERATION
    NO SIGNALS EMITTED TO REVEAL YOUR POSITION
    HOLDS 52 DATUMS
    IS COMPATIBLE WITH NIGHT VISION DEVICES
    RESISTS JAMMING (SPOOFING)
    WATER-PROOF TO ONE METER
    RUNS ON INTERNAL BATTERIES OR EXTERNAL
     POWER SOURCE
      – LITHIUM OR AA BATTERY ADAPTER
      – ADAPTER FOR 12 VDC OR 120 VAC
                                                  7
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     PLGR OPERATION
       OBJECTIVES
 SETUP THE PLGR TO RECEIVE
  SATELLITE DATA.
 DETERMINE YOUR PRESENT
  POSITION
 INITIALIZE THE PLGR
 ENTER WAYPOINTS
 NAVIGATE TO A WAYPOINT

                              8
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     PLGR Cold Start or Standby
    Cold Start:
     – If PLGR has not been used for a month or more
       or if the Almanac is old
     – Present position greater than one degree from
       last known position
    Standby:
     – PLGR has been used within a few days AND
       present position within one degree of last
       known position
                                                       9
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               PLGR Cold Start
    Physical check
    Self-test check
    Power battery check
    Verify crypto loaded
      – Crypto loaded: SV equals all-Y
      – Crypto not loaded: SV equals mixed
    Set operation mode to Continuous
    Initialize position
    Monitor FOM (=1) and almanac age (1 day)
    Load waypoints
                                                10
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          PLGR Standby
 Physical check
 Power battery check
 Set operation mode to Continuous and SV
  type to mixed
 Monitor FOM (=1) and almanac age (1 day)
  and load waypoints


                                             11
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         TURNING ON THE PLGR
     1 ON      2         3

         BRT             MENU
                                FIX              OLD
                                17S
     4         5         6      KS 45357e 34511n
                                El +00134m     P

     7         8         9
         WP        POS   NAV


     CLR       0         NUM
     MARK      OFF       LOCK

                                                       12
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              PHYSICAL CHECK
    Inspect PLGR for:
     –   Dents, scratches, punctures
     –   Unreadable data plates
     –   Keys for cracks, breaks, unreadable markings
     –   Display window for cracks or cloudy
     –   Missing or loose hardware
           antenna
           covers

           connectors

                                                        13
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       SELF-TEST CHECK
 Upon power up - self-test status will be
  displayed
 Or
                        move           select
        3             STATUS         SETUP
        MENU          INIT            TEST
                      HELP         <more> P


                      STS        GPS    good
       5              Self-Test        OK
                      Internal antenna
                      Vehicle power          P

                                                 14
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     POWER BATTERY CHECK
 Tan PLGR - 10 hrs, Green PLGR - 20 hrs
 Upon power up - battery status will be
  displayed
                      move      select
 Or    3           STATUS     SETUP
          MENU       INIT      TEST
                     HELP   <more> P


                            BATTERY:BA-5800
      5          5          non-rechargeable
                            01h23m used      RST
                            08h37m left        P

                                                   15
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           PLGR BATTERIES
    Memory Battery - not a AA battery, but AA
     size, replace yearly when loading new
     crypto

    Power Battery - disposable
     – Tan case - 10 hours
     – Green case - 20 hours

                                                 16
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                 BACKLIGHTING
                    1 ON                 2

                       BRT

     Hold the ON/BRT key and press the Up-arrow key.
       • This increases the display backlighting


                     1 ON                 5

                       BRT


     Hold the ON/BRT key and press the Down-arrow key.
       • This reduces the display backlighting

                                                         17
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                   CRYPTO CHECK
                                  move       select
     1 ON      2         3      STATUS     SETUP
                                INIT        TEST
         BRT
                         MENU
                                HELP     <more> P

     4         5         6
                                DATA-XFR SV-SEL
                                DOP-CALC ALERTS
                                SINCGARS KOI-18
     7         8         9
                                CRYPTO <more> P
         WP        POS   NAV

                                CUSTOM NAV
     CLR       0         NUM
     MARK          OFF   LOCK
                                         <more> P
                                                      18
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         PLGR KEYPAD MENU SCREEN
                                  move       select
     1 ON      2         3      STATUS     SETUP
                                INIT        TEST
         BRT
                         MENU
                                HELP     <more> P

     4         5         6
                                DATA-XFR SV-SEL
                                DOP-CALC ALERTS
                                SINCGARS KOI-18
     7         8         9
                                CRYPTO <more> P
         WP        POS   NAV

                                CUSTOM NAV
     CLR       0         NUM
     MARK          OFF   LOCK
                                         <more> P
                                                      19
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       PLGR SETUP SCREENS
    SETUP MODE
      – Mode of Operation, satellite type
    SETUP UNITS
      – Coordinate system, units, north reference
    SETUP MAGVAR
      – Magnetic Variation (MAGVAR)
    SETUP
      – Local time
    SETUP DTM
      – Datum, timer
    11 Setup screens total                         20
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       SETUP MODE
 Mode of Operation, SV-Type
     SETUP MODE: FIX            CONT
                                FIX
     Quick POS FIX,             AVG
     then STBY                  TIME
                                STBY
     SV-TYPE:all-Y P           2dTNG
                                3dTNG
                                RHRSL
                        mixed
                        all-Y
                                        21
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           SETUP UNITS


MGRS-Old
           SETUP UNITS
MGRS-New   MGRS-New Metric      Metric
UTM/UPS                         English
L/L-dm
           Elev:Feet MSL
                                NAUT
L/L-dms    ANGL:Deg Mag P
BNG
ITMG
                         True
                         Mag
                         Grid
                                     22
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        POSITION SCREEN
        (Coordinate System)
    MGRS                UTM/UPS



CONT         ±100ft   CONT         ±100ft
12A MGRS-New          12A    UTM/UPS
AA 12345e 12345n      1234567e1234567n
Elh +12345ftD P      Elh +12345ftD P




                                            23
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          Position Screen
        (Coordinate System)
    L/L dm              L/L dms



CONT         ±100ft       CONT        FOM=1
N 1234.567’              N 1234’56.78”
W 01234.567’             W 01234’56.78”
Elh +12345ftD P          Elh +12345ftM P




                                              24
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      SETUP MAGVAR
     Magnetic Variation

     SETUP MAGVAR
     TYPE: Calc deg       degrees
           WMM 1995       deg min
                          Mil-
                    P



                                25
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            SETUP
 Elevation Hold,Time Display
        & Error Format
      SETUP
      Elhold: automatic   automatic
      TIME: Loc=Z-04:30   manual

      ERR: FOM      P

           FOM
           +m
                                      26
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          MAP DATUM
                       Datum Code
     SETUP DTM:WGD
                       Datum
     WGS-84            Description
     AUTOMATIC OFF
     TIMER: 5min  P

        off
        5 minutes
        15 seconds
        20 minutes                   27
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             MAP DATUM

     A datum is a surveyed line or point
      that ensures all maps within a series
      will correctly match when placed
      edge to edge.

               map Datum sets are
      Fifty-two
      available within the PLGR.

                                              28
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        SETUP I/O



     SETUP I/O
     SERIAL:Standard
     HAVEQUICK: Off
     1PPS: Off       P
                          29
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         AUTOMARK

       SETUP AUTOMARK
off    MODE: off WP001
once
rpt    01-13-00 1300L
       REPEAT 00h00m   P


                            30
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            PLGR CRYPTO

    NSA certified that the PLGR is
     considered unclassified when keyed.
    Loaded yearly or as required
    Can be loaded with KYK-13, KOI-18,
     CYZ-10
    Key material gives the PLGR greater
     accuracy in positioning by accessing
     secure satellites too
                                            31
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          POSITION SCREENS
                            CONT           OLD
             8
                            17S       MGRS-New
              POS           KS 45367e 34511n
                            Elh +00123m      P


     0859:34L      >10ms    TRACK / SEARCH
     02-12-00      SAT      32 14 7 / 25 18
     TRK 106.4 M            #VIS: 9 #GOOD: 7
     GS       3kph     P   ALM AGE: 1day P

                                                  32
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     PRESENT POSITION


     CONT            OLD
     17S
     KS 45367e 34511n
     El +00125m        P

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     DYNAMIC INFORMATION


       1135:05L    >10ms
       02-12-00   SAT
       TRK 104.7M
       GS 4mph       P

                           34
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     TRACK/SEARCH

     TRACK/SEARCH
     12 09 08 23 / 19
     #VIS:9 #GOOD:9
     ALM AGE:1day     P


                           35
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       PLGR INITIALIZATION

      The PLGR has the ability to
        determine its’ present
     position, time, date, track and
      ground speed without any
            operator input.

                                       36
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         INITIALIZE POSITION
    Determine approx coordinates and elevation

                           move      select
          3              STATUS     SETUP
                         INIT       TEST
          MENU
                         HELP     <more> P



                         INIT POS        CLR
          5
                         17S
                         KS 45367e 34511n
                         Elh +00356ft     P
                                                  37
91         HOW TO ENTER A
             WAYPOINT
     A waypoint is the location of a point
      on a desired course described by
     coordinates or a physical location.

      You can enter waypoints into the
     PLGR by map coordinates or by a
     known range, or azimuth from your
             present position.
                                             38
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            WAYPOINT MENU
           (1000 WAYPOINTS: 0-999)

                WP <move>  SEL
 PRESS
 7
     WPT        ENTER EDIT COPY
                SR-CALC RNG-CALC
                DIST CLEAR ROUTE

                      PRESS
                      5

                                     39
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                      WAYPOINT
       WAYPOINT #                           WAYPOINT NAME


GRID ZONE           WP001 UNUSED001
DESIGNATOR
                    B MGRS-New
100KM SQUARE                                      GRID
DESIGNATION         AN 00000e 00000n
ELEVATION
                    No EL      CLR P

                              CLEAR ENTRY




                                                         40
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        MARKING POSITION

          MARK position to
PRESS                              Save
CLR       WP:03 MARK03                       CLR
MARK      MARK: saves                        MARK
                                  Waypoint
           ON: cancels
            Cancel     Waypoint

                 1 ON

                     BRT                           41
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     MARKING POSITION

     WAYPOINT
     MARKED




                        42
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                                                           A

           EDITING A WAYPOINT                              B
                                                           C
                                                           :
                                                           :
                                                           M
        Pull up the waypoint                              :
                                                           :
PRESS                 WP <move>    SEL   PRESS             Z
7                     ENTER EDIT COPY    5                 0
                                                           1
    WP                SR-CALC RNG-CALC
                                                           2
                      DIST CLEAR ROUTE
                                                           =

                                 PRESS   WP: 42 MARK42
           WP: 42 MARK42
           N 1234’56.78”         6      N 1234’56.78”
           W 01234’56.78”               W 01234’56.78”
           Elh +12345ft P               Elh +12345ft P


                                                               43
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        PLGR NAVIGATION
     Navigating is using the PLGR to
     locate various points on a map
        relative to your position.

There are four navigating modes that
  may be accessed and selected.


                                       44
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          NAVIGATION
PRESS
9        SLOW      DIRECT
 NAV
         WP001 MARK001

                       P



                   5
           PRESS
                            45
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     NAVIGATION SCREEN

      2D FAST   DIRECT
      WP001 MARK001

                          P


         PRESS
         THREE   6   PRESS 5
         TIMES       ONCE
                               46
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     NAVIGATION SCREEN


        WP001         30m
        TRK 95.5ºM
        AZ 185.0ºM
        STR 30.5     P
              PRESS
              5


                            47
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     NAVIGATION SCREEN

     RNG    60.0m
     TTG 0020:15
     ELD +00003.0m
     MMD2 60.5       P



                          48
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     Navigating to a Waypoint
             FAST
             SLOW
             2D FAST
             CUSTOM    SLOW DIRECT
      9                WP: 43 MARK43

       NAV
                                            P


                       MARK43         OLD
       6               TRK n/a        n/a
                       STR n/a
                       RNG 25.1 yds         P




                                                49
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             Navigating to a Waypoint
             MARK43           OLD           MARK43            OLD
             TRK 30 T         1 kts        TRK 90 T          1 kts
             STR 60                        STR
             RNG 50.2 yds           P       RNG 35.5 yds             P

             True                           True
             North                          North

You are        TRK
                                               TRK
this dot       30
and moving                    Destination                       Destination
                 STR          Waypoint                          Waypoint
                 60                             STR

                                                       35 yds
                     50 yds
                                                                              50
                                                     50 yds
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     Mission Planning Software
 Load waypoints and routes created/saved as
  files
 Emulate PLGR screen on to a lap top or PC
 Load almanac data
 Load PLGR display parameters
     – Navigation parameters
     – Units

                                               51
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     Practical Exercise


                          52
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            CONCLUSION

       The PLGR is a great tool for
      navigation, but it takes training
     to ensure continued proficiency
     in the use of the device and still
          requires each soldier to
       understand military map and
       land navigation techniques.
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