GPS OPERATIONAL ADVISORY 96285.OA1
SUBJ: GPS STATUS 11 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
159-96284  121943Z SEP 96  PRN05  FCST MAINT     284/0440-UP TO 12 HOURS
163-96281  231524Z SEP 96  PRN21  FCST MAINT     281/1430-UP TO 7 DAYS
165-96284  261544Z SEP 96  PRN05  FCST MAINT     284/0430-UP TO 12 HOURS
166-96271  271311Z SEP 96  PRN05  FCST CANCELLED
172-96289  091535Z OCT 96  PRN31  FCST MAINT     289/1630-UP TO 12 HOURS
173-96284  100628Z OCT 96  PRN05  FCST SUMMARY   284/0511-284/0601
174-96284  102208Z OCT 96  PRN21  FCST SUMMARY   281/1430-284/2152
175-96285  102208Z OCT 96  PRN21  CORRECTION     281/1430-284/2152
B. ADVISORIES
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