SUBJ: GPS STATUS 10 JAN 96 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 259-96003 212122Z DEC 95 PRN29 FCST MAINT 003/1500-UP TO 10 HRS 260-95356 221819Z DEC 95 PRN29 FCST MAINT(CORR) 003/1500-UP TO 10 HRS 261-96008 261859Z DEC 95 PRN24 FCST MAINT 008/1648-UP TO 12 HRS 262-96008 271451Z DEC 95 PRN24 FCST MAINT(CORR) 008/1648-UP TO 12 HRS 263-96005 292030Z DEC 95 PRN29 FCST MAINT(CORR) 005/1200-UP TO 10 HRS 264-96005 022137Z JAN 96 PRN29 FCST MAINT(CORR) 005/1200-UP TO 18 HRS 001-96003 031913Z JAN 96 PRN13 FCST MAINT 018/0000-UP TO 4 HRS 002-96004 041442Z JAN 96 PRN02 FCST MAINT(CORR) 018/0000-UP TO 4 HRS 003-96005 050123Z JAN 96 PRN29 FCST CANCELLATION005/1200 004-96008 082132Z JAN 96 PRN19 FCST MAINT 012/1400-013/0400 005-96009 090403Z JAN 96 PRN24 FCST SUMMARY 008/1944-009/0346 006-96017 092044Z JAN 96 PRN02 FCST MAINT(CORR) 017/2330-018/0130 B. ADVISORIES NANU MSG DATE/TIME PRN TYPE SUMMARY 242-95325 212024Z NOV 95 PRN12 UNUS 322/1845-UFN 265-96003 031446Z JAN 96 PRN25 UNUS 003/1227-003/1249 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 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