GPS OPERATIONAL ADVISORY 320.OA1 SUBJ: GPS STATUS 15 NOV 2008 1. SATELLITES, PLANES, AND CLOCKS (CS=CESIUM RB=RUBIDIUM): A. BLOCK I : NONE B. BLOCK II: PRNS 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 PLANE : SLOT D1, C2, D4, B5, C5, A6, A3, A1, E3, D2, B4, F3, F1, F2 CLOCK : RB, CS, RB, RB, RB, RB, CS, CS, CS, RB, RB, RB, RB, RB BLOCK II: PRNS 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29 PLANE : SLOT B1, C4, E4, C3, E1, D3, E2, F4, D5, A5, F5, A4, B3, C1 CLOCK : RB, RB, RB, RB, RB, RB, RB, RB, CS, RB, RB, CS, RB, RB BLOCK II: PRNS 30, 31, 32 PLANE : SLOT B2, A2, E5 CLOCK : CS, 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) 2008126 101830Z OCT 2008 15 FCSTMX 290/1830-291/0630 2008132 162202Z OCT 2008 15 FCSTSUMM 290/1841-290/2202 2008133 201523Z OCT 2008 29 FCSTMX 298/1900-299/0700 2008134 232027Z OCT 2008 02 FCSTDV 302/2030-303/1100 2008135 242230Z OCT 2008 29 FCSTSUMM 298/1929-298/2226 2008136 290304Z OCT 2008 02 FCSTSUMM 302/2031-303/0255 2008139 141914Z NOV 2008 27 FCSTDV 325/1200-326/1400 B. ADVISORIES: NANU MSG DATE/TIME PRN TYPE SUMMARY (JDAY/ZULU TIME START - STOP) 2008137 140546Z NOV 2008 27 UNUSUFN 319/0448-/ 2008138 141203Z NOV 2008 27 UNUSABLE 319/0448-319/1155 C. GENERAL: NANU MSG DATE/TIME PRN TYPE SUMMARY (JDAY/ZULU TIME START - STOP) 2008130 161647Z OCT 2008 GENERAL /-/ 2008131 161654Z OCT 2008 GENERAL /-/ 3. REMARKS: A. THE POINT OF CONTACT FOR GPS MILITARY OPERATIONAL SUPPORT IS THE GPS OPERATIONS 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 HTTPS://GPS.AFSPC.AF.MIL/GPS OR HTTP://GPS.AFSPC.AF.MIL/GPSOC