SUBJ: GPS STATUS 26 MAR 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 042-96066 291526Z FEB 96 PRN01 FCST MAINT 080/1550-UP TO 12 HRS 043-96078 041647Z MAR 96 PRN02 FCST MAINT 078/1500-UP TO 12 HRS 047-96080 062154Z MAR 96 PRN01 FCST MAINT 080/1600-UP TO 12 HRS 048-96082 082052Z MAR 96 PRN07 FCST MAINT 082/1500-UP TO 12 HRS 049-96085 111732Z MAR 96 PRN17 FCST MAINT 085/2000-UP TO 12 HRS 051-96086 142008Z MAR 96 PRN12 FCST DISPOSAL 086-PAYLOAD PERM OFF 055-96081 181918Z MAR 96 PRN07 FCST MAINT 081/2100-UP TO 12 HRS 057-96081 210320Z MAR 96 PRN07 FCST MAINTENANCE CANCELLATION 058-96081 211621Z MAR 96 PRN07 FCST CANCELLATION081/2100-UP TO 12 HRS 059-96082 211722Z MAR 96 PRN07 FCST MAINT 082/2112-UP TO 12 HRS 060-96081 212346Z MAR 96 PRN01 FCST SUMMARY 080/1707-081/2248 061-96083 230403Z MAR 96 PRN07 FCST SUMMARY 082/2117-083/0413 062-9696085 252000Z MAR 96 PRN17 FCST SUMMARY 085/2026-085/2133 B. ADVISORIES NANU MSG DATE/TIME PRN TYPE SUMMARY 242-95325 212024Z NOV 95 PRN12 UNUS 322/1845-UFN 056-96081 210154Z MAR 96 PRN01 UNUS 081/0400-UFN C. GENERAL: NO IMPACT, INFORMATIONAL PURPOSES ONLY NUMBER MSG DATE/TIME PRN TYPE SUMMARY GENERAL 261626Z FEB 96 GENERAL MESSAGE 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: 2SOPS/DOAN 1LT HILGENBERG AT (719)567-6143 OR DSN 560-6143