GPS OPERATIONAL ADVISORY 263 SUBJ: GPS STATUS 20 SEP 2006

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 F6, D1, C2, D4, B4, C1, C5, A3, A1, E3, D2, F3, F1, D5 CLOCK : CS, RB, RB, RB, RB, RB, RB, CS, RB, CS, 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, D6, A2, F2, A4, B3, F5 CLOCK : RB, RB, RB, RB, RB, RB, RB, RB, CS, RB, RB, CS, RB, RB BLOCK II: PRNS 30 PLANE : SLOT B2 CLOCK : CS
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)

2006087 082235Z SEP 2006 25 FCSTDV 257/1115-257/2315
2006088 090031Z SEP 2006 17 FCSTMX 255/1615-256/0015
2006090 121816Z SEP 2006 17 FCSTSUMM 255/1633-255/1759
2006091 142151Z SEP 2006 25 FCSTSUMM 257/1115-257/2144
2006093 151632Z SEP 2006 24 FCSTDV 264/2200-265/2200
B ADVISORIES: NANU MSG DATE/TIME PRN TYPE SUMMARY (JDAY/ZULU TIME START - STOP)

2006079 211403Z AUG 2006 15 UNUSUFN 233/1358-/
2006081 241503Z AUG 2006 03 UNUSUFN 236/1502-/
2006082 260150Z AUG 2006 29 UNUSUFN 238/0147-/
2006084 050137Z SEP 2006 18 UNUSUFN 248/0052-/
2006085 050544Z SEP 2006 18 UNUSABLE 248/0052-248/0535
2006086 081902Z SEP 2006 03 UNUSABLE 236/1502-251/1904
2006092 142232Z SEP 2006 29 UNUSABLE 238/0147-257/2231
C GENERAL: NANU MSG DATE/TIME PRN TYPE SUMMARY (JDAY/ZULU TIME START - STOP)

2006089 112153Z SEP 2006 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 HTTP://GPS AFSPC AF MIL/GPS OR HTTP://GPS AFSPC AF MIL/GPSOC

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