1. PRECISION LIGHTWEIGHT GPS RECEIVER (PLGR) CPT Krystal Gates and SFC Lesauis 1st BN, 364th RGMT 4th BDE, 91st DIV 91

2. 2 AGENDA l PURPOSE l GPS CONCEPT l PHYSICAL FEATURES l CHARACTERISTICS l PLGR OPERATION OBJECTIVES l PLGR NAVIGATION l PRACTICAL EXERCISE l CONCLUSION

3. 91 3 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.

4. 91 4 GPS CONCEPT l 24 SATELLITES IN 6 ORBITS, 6-9 ARE IN VIEW OF THE GPS RECEIVER AT ANY TIME l REQUIRES A MINIMUM OF 3 SATELLITES FOR LOCATION AND 4 FOR ELEVATION l UTILIZES PRECISE TIMING FROM SATELLITE TO RECEIVER TO DETERMINE LOCATION AND ELEVATION l REQUIRES LINE OF SIGHT TO SATELLITE RCVR l COMSEC ALLOWS MAXIMUM ACCURACY

5. 91 5 GLOBAL POSITIONING SYSTEM GPS Satellite GPS User Segment LOCATION AND ELEVATION DETERMINED BY SIGNAL TIMING FROM SATELLITE TO GPS RECEIVER.

6. 91 6 PHYSICAL FEATURES POWER BATTERY COVER HANDLE MEMORY BATTERY COVER INTEGRAL ANTENNA KEYPAD DISPLAY REAR PANEL CONNECTORS KYK-13/KOI-18/ANCD CONNECTOR (COMSEC) DO NOT HIT CLR/MARK AND NUM/LOCK OR YOU WILL ZEROIZE THE DEVICE

7. 91 7 PLGR CHARACTERISTICS l ALL WEATHER OPERATION l NO SIGNALS EMITTED TO REVEAL YOUR POSITION l HOLDS 52 DATUMS l IS COMPATIBLE WITH NIGHT VISION DEVICES l RESISTS JAMMING (SPOOFING) l WATER-PROOF TO ONE METER l RUNS ON INTERNAL BATTERIES OR EXTERNAL POWER SOURCE –LITHIUM OR AA BATTERY ADAPTER –ADAPTER FOR 12 VDC OR 120 VAC

8. 91 8 PLGR OPERATION OBJECTIVES l SETUP THE PLGR TO RECEIVE SATELLITE DATA. l DETERMINE YOUR PRESENT POSITION l INITIALIZE THE PLGR l ENTER WAYPOINTS l NAVIGATE TO A WAYPOINT

9. 91 9 PLGR Cold Start or Standby l 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 l Standby: –PLGR has been used within a few days AND present position within one degree of last known position

10. 91 10 PLGR Cold Start l Physical check l Self-test check l Power battery check l Verify crypto loaded –Crypto loaded: SV equals all-Y –Crypto not loaded: SV equals mixed l Set operation mode to Continuous l Initialize position l Monitor FOM (=1) and almanac age (1 day) l Load waypoints

11. 91 11 PLGR Standby l Physical check l Power battery check l Set operation mode to Continuous and SV type to mixed l Monitor FOM (=1) and almanac age (1 day) and load waypoints

12. 91 12 2 3 MENU 46 5 1 ON BRT 8 POS 9 NAV 0 OFF NUM LOCK CLR MARK 7 WP FIX OLD 17S KS 45357e 34511n El +00134m P TURNING ON THE PLGR

13. 91 13 PHYSICAL CHECK l 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 l antenna l covers l connectors

14. 91 14 SELF-TEST CHECK l Upon power up - self-test status will be displayed l Or 3 MENU move select STATUS SETUP INIT TEST HELP P 5 STS GPS good Self-Test OK Internal antenna Vehicle power P

15. 91 15 POWER BATTERY CHECK l Tan PLGR - 10 hrs, Green PLGR - 20 hrs l Upon power up - battery status will be displayed l Or 3 MENU move select STATUS SETUP INIT TEST HELP P 55 BATTERY:BA-5800 non-rechargeable 01h23m used RST 08h37m left P

16. 91 16 PLGR BATTERIES l Memory Battery - not a AA battery, but AA size, replace yearly when loading new crypto l Power Battery - disposable –Tan case - 10 hours –Green case - 20 hours

17. 91 17 1 ON BRT 2 Hold the ON/BRT key and press the Up-arrow key. This increases the display backlighting 1 ON BRT 5 Hold the ON/BRT key and press the Down-arrow key. This reduces the display backlighting BACKLIGHTING

18. 91 18 move select STATUS SETUP INIT TEST HELP P 2 3 MENU 46 8 POS 9 NAV 0 OFF NUM LOCK CUSTOM NAV P 5 DATA-XFR SV-SEL DOP-CALC ALERTS SINCGARS KOI-18 CRYPTO P CLR MARK 7 WP 1 ON BRT CRYPTO CHECK

19. 91 19 move select STATUS SETUP INIT TEST HELP P PLGR KEYPAD MENU SCREEN 2 3 MENU 46 8 POS 9 NAV 0 OFF NUM LOCK CUSTOM NAV P 5 DATA-XFR SV-SEL DOP-CALC ALERTS SINCGARS KOI-18 CRYPTO P CLR MARK 7 WP 1 ON BRT

20. 91 20 PLGR SETUP SCREENS l SETUP MODE –Mode of Operation, satellite type l SETUP UNITS –Coordinate system, units, north reference l SETUP MAGVAR –Magnetic Variation (MAGVAR) l SETUP –Local time l SETUP DTM –Datum, timer l 11 Setup screens total

21. 91 21 SETUP MODE Mode of Operation, SV-Type CONT FIX AVG TIME STBY 2dTNG 3dTNG RHRSL mixed all-Y SETUP MODE: FIX Quick POS FIX, then STBY SV-TYPE:all-Y  P

22. 91 22 SETUP UNITS MGRS-New Metric Elev:Feet MSL ANGL:Deg Mag  P SETUP UNITS Metric English NAUT True Mag Grid MGRS-Old MGRS-New UTM/UPS L/L-dm L/L-dms BNG ITMG

23. 91 23 POSITION SCREEN ( Coordinate System ) l MGRS l UTM/UPS CONT ±100ft 12A MGRS-New AA 12345e 12345n Elh +12345ftD  P CONT ±100ft 12A UTM/UPS 1234567e1234567n Elh +12345ftD  P

24. 91 24 Position Screen (Coordinate System) l L/L dm l L/L dms CONT ±100ft N 12  34.567’ W 012  34.567’ Elh +12345ftD  P CONT FOM=1 N 12  34’56.78” W 012  34’56.78” Elh +12345ftM  P

25. 91 25 SETUP MAGVAR Magnetic Variation SETUP MAGVAR TYPE: Calc deg WMM 1995  P degrees deg min Mil- 

26. 91 26 SETUP Elevation Hold,Time Display & Error Format SETUP Elhold: automatic TIME: Loc=Z-04:30 ERR: FOM  P FOM +m automatic manual

27. 91 27 MAP DATUM SETUP DTM:WGD WGS-84 AUTOMATIC OFF TIMER: 5min  P off 5 minutes 15 seconds 20 minutes Datum Code Datum Description

28. 91 28 MAP DATUM l A datum is a surveyed line or point that ensures all maps within a series will correctly match when placed edge to edge. l Fifty-two map Datum sets are available within the PLGR.

29. 91 29 SETUP I/O SERIAL:Standard HAVEQUICK: Off 1PPS: Off  P

30. 91 30 AUTOMARK SETUP AUTOMARK MODE: off WP001 01-13-00 1300L REPEAT 00h00m  P off once rpt

31. 91 31 PLGR CRYPTO l NSA certified that the PLGR is considered unclassified when keyed. l Loaded yearly or as required l Can be loaded with KYK-13, KOI-18, CYZ-10 l Key material gives the PLGR greater accuracy in positioning by accessing secure satellites too

32. 91 32 POSITION SCREENS 0859:34L >10ms 02-12-00 SAT TRK 106.4 M GS 3kph  P CONT OLD 17S MGRS-New KS 45367e 34511n Elh +00123m  P TRACK / SEARCH 32 14 7 / 25 18 #VIS: 9 #GOOD: 7 ALM AGE: 1day  P 8 POS

33. 91 33 PRESENT POSITION CONT OLD 17S KS 45367e 34511n El +00125m  P

34. 91 34 DYNAMIC INFORMATION 1135:05L >10ms 02-12-00 SAT TRK 104.7M GS 4mph  P

35. 91 35 TRACK/SEARCH TRACK/SEARCH 12 09 08 23 / 19 #VIS:9 #GOOD:9 ALM AGE:1day  P

36. 91 36 PLGR INITIALIZATION The PLGR has the ability to determine its’ present position, time, date, track and ground speed without any operator input.

37. 91 37 INITIALIZE POSITION INITIALIZE POSITION l Determine approx coordinates and elevation 3 MENU move select STATUS SETUP INIT TEST HELP P 5 INIT POS CLR 17S KS 45367e 34511n Elh +00356ft  P

38. 91 38 HOW TO ENTER A WAYPOINT 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.

39. 91 39 WAYPOINT MENU (1000 WAYPOINTS: 0-999) 7 WPT WP  SEL ENTER ENTER EDIT COPY SR-CALC RNG-CALC DIST CLEAR ROUTE PRESS 5

40. 91 40 WAYPOINT WP001 UNUSED001 B MGRS-New AN 00000e 00000n No EL CLR  P WAYPOINT # WAYPOINT NAME GRID ZONE DESIGNATOR ELEVATION CLEAR ENTRY 100KM SQUARE DESIGNATION GRID

41. 91 41 MARKING POSITION MARK position to WP:03 MARK03 MARK: saves ON: cancels CLR MARK CLR MARK 1 ON BRT Cancel Waypoint PRESS Save Waypoint

42. 91 42 MARKING POSITION WAYPOINT MARKED

43. 91 43 WP SEL ENTER EDIT COPY SR-CALC RNG-CALC DIST CLEAR ROUTE EDITING A WAYPOINT l Pull up the waypoint 7 WP 5 WP: 42 MARK42 N 12  34’56.78” W 012  34’56.78” Elh +12345ft  P 6 WP: 42 MARK42 N 12  34’56.78” W 012  34’56.78” Elh +12345ft  P ABC::M::Z012=ABC::M::Z012= PRESS

44. 91 44 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.

45. 91 45 NAVIGATION SLOW DIRECT WP001 MARK001  P 5 9 NAV PRESS

46. 91 46 NAVIGATION SCREEN 2D FAST DIRECT WP001 MARK001  P 6 PRESS THREE TIMES 5 PRESS ONCE

47. 91 47 NAVIGATION SCREEN WP001 30m TRK 95.5ºM AZ 185.0ºM STR  30.5  P 5 PRESS

48. 91 48 RNG 60.0m TTG 0020:15 ELD +00003.0m MMD2 60.5  P NAVIGATION SCREEN

49. 91 49 Navigating to a Waypoint 9 NAV SLOW DIRECT WP: 43 MARK43 P MARK43 OLD TRK n/a n/a STR n/a RNG 25.1 yds P FAST SLOW 2D FAST CUSTOM 6

50. 91 50 Navigating to a Waypoint MARK43 OLD TRK 30  T 1 kts STR 60  RNG 50.2 yds P MARK43 OLD TRK 90  T 1 kts STR RNG 35.5 yds P True North Destination Waypoint TRK 30  STR 60  True North Destination Waypoint TRK STR You are this dot and moving 50 yds 35 yds

51. 91 51 Mission Planning Software l Load waypoints and routes created/saved as files l Emulate PLGR screen on to a lap top or PC l Load almanac data l Load PLGR display parameters –Navigation parameters –Units

52. 91 52 Practical Exercise

53. 91 53 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.