GPS OPERATIONAL ADVISORY
SUBJ: GPS STATUS 22 OCT 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, 10, 14, 15, 16, 17, 18, 19, 20
   PLANE   : SLOT F1, B3, C2, D4, B4, C1, C4, A1, E3, E1, D2, E5, D3, F3, A4, B5
   CLOCK   :      RB, CS, 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, 30, 31
   PLANE   : SLOT E2  B1, E4, D1, A2, F2, A3, C5, F4, B2, C3
   CLOCK   :      CS, CS, CS, RB, CS, 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
172-96289  091535Z OCT 96  PRN31  FCST MAINT     289/1630-UP TO 12 HOURS
178-96290  160326Z OCT 96  PRN31  FCST SUMMARY   289/1658-290/0308
B. ADVISORIES
176-96287  132010Z OCT 96  PRN31  UNUSABLE       287/1247-UFN
NANU       MSG  DATE/TIME  PRN    TYPE           SUMMARY
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: 2-SOPS/DOUAN NAVIGATION ANALYST AT (719)567-6378 OR DSN 560-6378