SUBJ: GPS STATUS 22 MAY 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
092-96145  101747Z MAY 96  PRN25    FCST  MAINT       145/1245-UP TO 12 HRS
093-96150  151551Z MAY 96  PRN04    FCST  MAINT       150/0730-UP TO 12 HRS
B. ADVISORIES
NANU       MSG DATE/TIME   PRN      TYPE  SUMMARY
090-96131  101701Z MAY 96  PRN20          UNUSABLE    131/1518-UFN
091-96131  101759Z MAY 96  PRN20          UNUSABLE    131/1518-UFN
094-96141  200738Z MAY 96  PRN20          UNUSABLE    131/1518-141/0736
095-96142  212253Z MAY 96  PRN20          UNUSABLE    142/2242-UFN
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