SUBJ: GPS STATUS 27 NOV 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 187-96331 191515Z NOV 96 04 FCSTMX 331/0400-UP TO 12 HOURS 188-96331 260839z NOV 96 04 FCSTSUMM 331/0459-331/0837 B. ADVISORIES NANU MSG DATE/TIME PRN TYPE SUMMARY 179-96309 041717Z N0V 96 28 UNUSABLE 309/1634-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: 2-SOPS/DOUAN NAVIGATION ANALYST AT (719)567-6378 OR DSN 560-6378