GPS OPERATIONAL ADVISORY
SUBJ: GPS STATUS 04 JUN 96
1. SATELLITES, PLANES AND CLOCKS (CS=CESIUM RB=RUBIDIUM):
A. BLOCK I : NONE
B. BLOCK II: PRNS  1,  2,  3,  4,  5,  6,  7,  9, 14, 15, 16, 17, 18, 19, 20
   PLANE   : SLOT F1, B3, C2, D4, B4, C1, C4, A1, E1, D2, E3, D3, F3, A4, B2
   CLOCK   :      RB, CS, CS, CS, CS, CS, CS, CS, CS, CS, CS, CS, CS, RB, CS
   BLOCK II: PRNS 21  22, 23, 24, 25, 26, 27, 28, 29, 31
   PLANE   : SLOT E2  B1, E4, D1, A2, F2, A3, C5, F4, C3
   CLOCK   :      CS, CS, CS, RB, CS, CS, CS, CS, CS, RB
CURRENT ADVISORIES (ADV) AND FORECASTS (FCST):
INFORMATION IS REPEATED FOR SEVEN DAYS AFTER EVENT CONCLUDES.
A. FORECASTS:
NANU       MSG DATE/TIME   PRN      TYPE  SUMMARY
093-96150  151551Z MAY 96  PRN04    FCST  MAINT       150/0730-UP TO 12 HRS
097-96163  281445Z MAY 96  PRN17    FCST  MAINT       163/2000-164/1600
098-96150  291405Z MAY 96  PRN04    FCST  SUMMARY     150/0740-150/1404
099-96162  312020Z MAY 96  PRN26    FCST  MAINT       162/1200-UP TO 12 HRS
101-96169  031635Z JUN 96  PRN09    FCST  MAINT       169/1150-UP TO 12 HRS
B. ADVISORIES
NANU       MSG DATE/TIME   PRN      TYPE  SUMMARY
095-96142  212253Z MAY 96  PRN20          UNUSABLE    142/2242-UFN
100-96155  031217Z JUN 96  PRN23          UNUSABLE    155/1145-UFN
102-96156  040022Z JUN 96  PRN23          UNUSABLE    155/1145-156/0005
C.  GENERAL: NO IMPACT, INFORMATIONAL PURPOSES ONLY
NUMBER     MSG DATE/TIME   PRN      TYPE  SUMMARY
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