SUBJ: GPS STATUS 18 MAR 96
1. SATELLITES, PLANES AND CLOCKS (CS=CESIUM RB=RUBIDIUM):
A. BLOCK I : PRNS 12
   PLANE   : SLOT A1
   CLOCK   :      RB
B. BLOCK II: PRNS  1,  2,  4,  5,  6,  7,  9, 14, 15, 16, 17, 18, 19, 20, 21
   PLANE   : SLOT F1, B3, D4, B4, C1, C4, A1, E1, D2, E3, D3, F3, A4, B2, E2
   CLOCK   :      RB, CS, CS, CS, CS, CS, CS, CS, CS, CS, CS, CS, RB, RB, CS
   BLOCK II: PRNS 22, 23, 24, 25, 26, 27, 28, 29, 31
   PLANE   : SLOT B1, E4, D1, A2, F2, A3, C2, F4, C3
   CLOCK   :      CS, CS, RB, CS, CS, CS, CS, CS, RB
2. CURRENT ADVISORIES (ADV) AND FORECASTS (FCST):
INFORMATION IS REPEATED FOR SEVEN DAYS AFTER EVENT CONCLUDES.
A. FORECASTS:
NANU       MSG DATE/TIME   PRN      TYPE  SUMMARY
041-96072  271831Z FEB 96  PRN19    FCST  MAINT       072/1700-UP TO 8 HRS
042-96066  291526Z FEB 96  PRN01    FCST  MAINT	      080/1550-UP TO 12 HRS
043-96078  041647Z MAR 96  PRN02    FCST  MAINT       078/1500-UP TO 12 HRS
047-96080  062154Z MAR 96  PRN01    FCST  MAINT       080/1600-UP TO 12 HRS
048-96082  082052Z MAR 96  PRN07    FCST  MAINT       082/1500-UP TO 12 HRS
049-96085  111732Z MAR 96  PRN17    FCST  MAINT       085/2000-UP TO 12 HRS
050-96072  122335Z MAR 96  PRN19    FCST  SUMMARY     072/1722-072/2301
051-96086  142008Z MAR 96  PRN12    FCST  DISPOSAL    086-PAYLOAD PERM OFF
B. ADVISORIES
NANU       MSG DATE/TIME   PRN      TYPE  SUMMARY
242-95325  212024Z NOV 95  PRN12    UNUS              322/1845-UFN
052-96075  151730Z MAR 96  PRN16    UNUS              075/1633-UFN
053-96075  151945Z MAR 96  PRN16    UNUS              075/1633-075/1917
C.  GENERAL: NO IMPACT, INFORMATIONAL PURPOSES ONLY
NUMBER     MSG DATE/TIME   PRN      TYPE  SUMMARY
GENERAL    261626Z FEB 96           GENERAL MESSAGE
3. REMARKS:
A. SELECTIVE AVAILABILITY WAS REACTIVATED AT STANDARD
POSITIONING SERVICE ACCURACY LEVELS ON DAY 182 (01 JUL 91) AT 0400
UTC. VARIATIONS MAY BE SEEN IN THE EFFECT OF SA DURING TESTING, BUT
THE EFFECT SHOULD NOT EXCEED STANDARD POSITIONING SERVICE LEVELS.
THE POINT OF CONTACT IS LCDR JACKSON (719)554-2634 OR DSN 692-2634.
B. CIVILIAN: US COAST GUARD NAVCEN AT COMMERCIAL (703)313-5900 24
HOURS DAILY, COMPUTER BBS (703) 313-5910, AND INTERNET
HTTP://WWW.NAVCEN.USCG.MIL/ OR OR FTP://FTP.NAVCEN.USCG.MIL
C. MILITARY: 2SOPS/DOAN 1LT HILGENBERG AT (719)567-6143 OR DSN 560-6143