SUBJ: GPS STATUS 12 OCT 94 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, CS, 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, CS 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 227-94277 041743Z OCT 94 PRN1 FCST MAINT 284/2100-UP TO 18 HOURS B. ADVISORIES NANU MSG DATE/TIME PRN TYPE SUMMARY 228-94285 121425Z OCT 94 PRN1 ADV FCSTSUMM 284/2135-285/0300 UNCLASSIFIED 3. REMARKS: 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 LT CMDR TRICE (719)554-2634 OR DSN 692-2634. 4. POINTS OF CONTACT: A. CIVILIAN: US COAST GUARD AT COMMERCIAL (703)313-5900 VOICE OR (703)313-5910 COMPUTER BBS. B. MILITARY: 2SOPS/DOAI CPT PETERSON AT (719)550-6378 OR DSN 560- 6378