SUBJ: GPS STATUS 08 DEC 95 1. SATELLITES, PLANES AND CLOCKS (CS=CESIUM RB=RUBIDIUM): A. BLOCK I : PRNS 12 PLANE : SLOT A1 CLOCK : RB B. BLOCK II: PRNS 1, 2, 4, 5, 6, 7, 9, 14, 15, 16, 17, 18, 19, 20, 21 PLANE : SLOT F1, B3, D4, B4, C1, C4, A1, E1, D2, E3, D3, F3, A4, B2, E2 CLOCK : RB, CS, CS, CS, CS, CS, CS, CS, CS, CS, CS, CS, RB, RB, CS BLOCK II: PRNS 22, 23, 24, 25, 26, 27, 28, 29, 31 PLANE : SLOT B1, E4, D1, A2, F2, A3, C2, F4, C3 CLOCK : CS, CS, RB, CS, CS, CS, CS, CS, RB 2. CURRENT ADVISORIES (ADV) AND FORECASTS (FCST): INFORMATION IS REPEATED FOR SEVEN DAYS AFTER EVENT CONCLUDES. A. FORECASTS: NANU MSG DATE/TIME PRN TYPE SUMMARY 243-95325 212037Z NOV 95 PRN04 FCST MAINT 338/1630-UP TO 12 HRS 244-95326 221848Z NOV 95 PRN16 FCST MAINT 340/1500-UP TO 12 HRS 245-95346 301536Z NOV 95 PRN25 FCST MAINT 346/1100-UP TO 15 HRS 247-95348 011701Z DEC 95 PRN21 FCST MAINT 348/1300-UP TO 18 HRS 248-95339 050102Z DEC 95 PRN04 FCST SUMMARY 338/1709-339/0009 249-95353 052129Z DEC 95 PRN29 FCST MAINT 353/1800-UP TO 18 HRS 250-95340 061641Z DEC 95 PRN16 FCST SUMMARY 340/1521-340/1626 251-95356 071426Z DEC 95 PRN20 FCST MAINT 356/0000-UP TO 18 HRS 252-95356 071802Z DEC 95 PRN20 FCST MAINT 356/0000-UP TO 18 HRS B. ADVISORIES NANU MSG DATE/TIME PRN TYPE SUMMARY 242-95325 212024Z NOV 95 PRN12 UNUS 322/1845-UFN C. GENERAL: NO IMPACT, INFORMATIONAL PURPOSES ONLY NUMBER MSG DATE/TIME PRN TYPE SUMMARY 246-95365 301557Z NOV 95 GEN LEAPSEC 365/235960-001/000000 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 GOPHER://GOPHER.NAVCEN.USCG.MIL/. OR FTP://FTP.NAVCEN.USCG.MIL C. MILITARY: 2SOPS/DOAN 1LT HILGENBERG AT (719)567-6143 OR DSN 560-6143