GPS OPERATIONAL ADVISORY 053 SUBJ: GPS STATUS 22 FEB 2009

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)

2009003 061721Z FEB 2009 19 FCSTDV 042/2230-043/1230
2009004 120526Z FEB 2009 19 FCSTSUMM 042/2234-043/0503
2009005 122125Z FEB 2009 05 FCSTMX 048/1400-049/0200
2009006 171700Z FEB 2009 05 FCSTSUMM 048/1424-048/1649
2009007 172017Z FEB 2009 06 FCSTMX 054/2000-055/0800
2009008 172054Z FEB 2009 08 FCSTMX 056/0200-056/1400
2009009 172107Z FEB 2009 27 FCSTMX 057/0400-057/1600
2009010 172117Z FEB 2009 04 FCSTMX 058/0330-058/1530
2009011 182142Z FEB 2009 04 FCSTRESCD 062/0330-062/1530
2009012 202133Z FEB 2009 26 FCSTDV 057/1730-058/1930
B ADVISORIES: NANU MSG DATE/TIME PRN TYPE SUMMARY (JDAY/ZULU TIME START - STOP)

C GENERAL: NANU MSG DATE/TIME PRN TYPE SUMMARY (JDAY/ZULU TIME START - STOP)

2009001 062057Z JAN 2009 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

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