GPS OPERATIONAL ADVISORY 181 SUBJ: GPS STATUS 30 JUN 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, CS 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)

2006056 231944Z JUN 2006 08 FCSTMX 180/1915-181/0100
2006057 272216Z JUN 2006 08 FCSTCANC 180/1915-/
B ADVISORIES: NANU MSG DATE/TIME PRN TYPE SUMMARY (JDAY/ZULU TIME START - STOP)

2006046 180649Z MAY 2006 25 UNUSUFN 138/0647-/
2006052 022017Z JUN 2006 30 UNUSUFN 153/2014-/
2006054 071853Z JUN 2006 30 UNUSABLE 153/2014-158/1842
2006055 181606Z JUN 2006 03 UNUSUFN 169/1526-/
2006058 282345Z JUN 2006 25 UNUSABLE 138/0647-179/2343
2006059 291114Z JUN 2006 06 UNUSUFN 180/1105-/
2006060 291743Z JUN 2006 03 UNUSABLE 169/1526-180/1729
C GENERAL: NANU MSG DATE/TIME PRN TYPE SUMMARY (JDAY/ZULU TIME START - STOP)

1. 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://WWW SCHRIEVER AF MIL/GPS OR HTTP://WWW SCHRIEVER AF MIL/GPSSUPPORTCENTER

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