SUBJ: GPS STATUS 01 MAR 91 1. SATELLITES, PLANES AND CLOCKS (CS=CESIUM RB=RUBIDIUM): A. BLOCK I : PRNS 3, 6, 9, 11, 12, 13 PLANE : SLOT C4, A3, A2, C3, A1, C1 CLOCK : RB, RB, RB, CS, CS, CS B. BLOCK II: PRNS 2, 14, 15, 16, 17, 18, 19, 20, 21, 23 PLANE : SLOT B3, E1, D2, E3, D3, F3, A4, B2, E2, E4 CLOCK : CS, CS, CS, CS, CS, CS, CS, CS, CS, CS 2. CURRENT ADVISORIES (ADV) AND FORECASTS (FCST): INFORMATION IS REPEATED FOR SEVEN DAYS AFTER EVENT CONCLUDES A. LONG TERM: NANU MSG DATE/TIME PRN TYPE SUMMARY NONE B. SHORT TERM: NANU MSG DATE/TIME PRN TYPE SUMMARY 053-91053 221701Z FEB 91 9 FCST L-BAND-ON SCHEDULE 054-91054 231529Z FEB 91 9 FCST L-BAND-ON SCHEDULE 055-91055 241527Z FEB 91 3 ADV UNUSABLE 054/1708-054/1730 056-91056 251451Z FEB 91 9 FCST L-BAND-ON SCHEDULE 057-91057 261501Z FEB 91 11 ADV UNUSABLE 056/1500-056/1510 13 ADV UNUSABLE 057/1118-057/1152 058-91058 271456Z FEB 91 9 FCST L-BAND-ON SCHEDULE 059-91059 281545Z FEB 91 9 FCST L-BAND-ON SCHEDULE 060-91060 011458Z MAR 91 9 FCST L-BAND-ON SCHEDULE 3. POINTS OF CONTACT: A. CIVILIAN: US COAST GUARD AT COMMERCIAL (703)866-3806 VOICE OR (703)866-3890 COMPUTER BBS. B. MILITARY: 2SCS/DOS mAJ WILLIAM FAUVER AT COMMERCIAL (719)550-6379 OR AUTOVON 560-6379.