SUBJ: GPS STATUS 29 AUG 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 168-95233 152042Z AUG 95 PRN27 FCST MAINT 233/0310-UP TO 18 HOURS 169-95240 152104Z AUG 95 PRN29 FCST MAINT 240/2300-UP TO 18 HOURS 171-95244 181618Z AUG 95 PRN27 FCST MAINT 244/0100-UP TO 12 HOURS 174-95251 251515Z AUG 95 PRN24 FCST MAINT 251/1100-UP TO 15 HOURS 176-95241 290330Z AUG 95 PRN29 FCST SUMMARY 240/2330-241/0327 B. ADVISORIES NANU MSG DATE/TIME PRN TYPE SUMMARY 175-95239 270038Z AUG 95 PRN12 UNUS 239/0014-239/0030 177-95241 291000Z AUG 95 PRN12 UNUS 241/0924-UFN 178-95241 291050Z AUG 95 PRN12 UNUS 241/0924-241/1024 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 LTCDR TRICE (719)554-2634 OR DSN 692-2634. B. CIVILIAN: US COAST GUARD AT COMMERCIAL (703)313-5900 VOICE OR (703)313-5910 COMPUTER BBS. C. MILITARY: 2SOPS/DOAN 1LT HILGENBERG AT (719)567-6143 OR DSN 560-6143