SUBJ: GPS STATUS 11 APR 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 : CS, CS, CS, CS, RB, 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 044-95094 221344Z MAR 95 PRN17 FCST MAINT 094/1150-UP TO 18 HRS 045-95095 221500Z MAR 95 PRN12 FCST MAINT 095/1830-096/0800 049-95100 271436Z MAR 95 PRN18 FCST MAINT 100/1300-101/0100 053-95104 311504Z MAR 95 PRN16 FCST MAINT 104/0110-UP TO 12 HRS 055-95107 031355Z APR 95 PRN06 FCST MAINT 107/2200-108/0400 056-95109 051434Z APR 95 PRN26 FCST MAINT 109/1659-UP TO 12 HRS 062-95101 102116Z APR 95 FCST TEST 101-118 BWTN1200-1600Z 063-95100 102231Z APR 95 PRN18 FCST SUM 100/1318-100/2153 064-95115 11143OZ APR 95 PRN23 FCST TEST 115/0400-116/0000 B. ADVISORIES NANU MSG DATE/TIME PRN TYPE SUMMARY 057-95096 062000Z APR 95 PRN12 UNUS 096/2000-UFN 058-95097 070539Z APR 95 PRN12 UNUS SUM 096/2000-097/0535 059-95097 072359Z APR 95 PRN12 UNUS 097/2115-097/2130 060-95098 081001Z APR 95 PRN06 UNUS 098/0944-UFN O61-95099 092009Z APR 95 PRN06 UNUS SUM 098/0944-099/1911 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 ALBERTS AT (719)550-6143 OR DSN 560-6143