GPS OPERATIONAL ADVISORY SUBJ: GPS STATUS 18 NOV 2002 1. SATELLITES, PLANES, AND CLOCKS (CS=CESIUM RB=RUBIDIUM): A. BLOCK I : NONE B. BLOCK II: PRNS 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 14, 15 PLANE : SLOT F4, B5, C2, D4, B4, C1, C4, A3, A1, E3, D2, F3, F1, D5 CLOCK : CS, CS, CS, RB, CS, CS, RB, RB, CS, CS, RB, RB, RB, CS BLOCK II: PRNS 17, 18, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31 PLANE : SLOT D3, E4, E1, E2, B1, E5, D1, A2, F2, A4, B3, F5, B2, C3 CLOCK : CS, RB, RB, CS, RB, CS, CS, CS, RB, RB, RB, RB, RB, RB 2. CURRENT ADVISORIES AND FORECASTS : A. FORECASTS: FOR SEVEN DAYS AFTER EVENT CONCLUDES. NANU MSG DATE/TIME PRN TYPE SUMMARY (JDAY/ZULU TIME START - STOP) 2002131 181746Z OCT 2002 22 FCSTDV 298/1730-299/0530 2002133 211940Z OCT 2002 22 FCSTMX 301/1600-302/0400 2002134 260229Z OCT 2002 22 FCSTSUMM 298/1753-299/0218 2002135 282048Z OCT 2002 22 FCSTSUMM 301/1617-301/2035 2002137 061716Z NOV 2002 08 FCSTMX 316/1530-317/0330 2002138 122029Z NOV 2002 08 FCSTSUMM 316/1554-316/2024 B. ADVISORIES: NANU MSG DATE/TIME PRN TYPE SUMMARY (JDAY/ZULU TIME START - STOP) 2002123 251818Z SEP 2002 21 UNUSUFN 268/1830-/ 2002136 051811Z NOV 2002 22 UNUSUFN 309/1756-/ 2002139 181413Z NOV 2002 22 UNUSABLE 309/1756-322/1403 C. GENERAL: NANU MSG DATE/TIME PRN TYPE SUMMARY (JDAY/ZULU TIME START - STOP) 3. REMARKS: A. THE POINT OF CONTACT FOR GPS MILITARY OPERATIONAL SUPPORT IS THE GPS SUPPORT CENTER AT (719)567-2541 OR DSN 560-2541. B. CIVILIAN: FOR INFORMATION, CONTACT US COAST GUARD NAVCEN AT COMMERCIAL (703)313-5900 24 HOURS DAILY AND INTERNET HTTP://WWW.NAVCEN.USCG.GOV C. MILITARY SUPPORT WEBPAGES CAN BE FOUND AT THE FOLLOWING WWW.SCHRIEVER.AF.MIL/GPS OR WWW.PETERSON.AF.MIL/USSPACE/GPS_SUPPORT