GPS OPERATIONAL ADVISORY 242
SUBJ: GPS STATUS 30 AUG 2009

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, 12, 13, 14
PLANE : SLOT B6, D1, C2, D4, E6, C5, A6, A3, A1, E3, D2, B4, F3, F1
CLOCK : RB, RB, CS, RB, RB, RB, RB, CS, CS, CS, RB, RB, RB, RB
BLOCK II: PRNS 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28
PLANE : SLOT F2, B1, C4, E4, C3, E1, D3, E2, F4, D5, A5, F5, A4, B3
CLOCK : RB, RB, RB, RB, RB, RB, RB, RB, RB, CS, RB, RB, CS, RB
BLOCK II: PRNS 29, 30, 31, 32
PLANE : SLOT C1, B2, A2, E5
CLOCK : RB, 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)

2009049 272103Z JUL 2009 30 FCSTDV 217/0215-217/1600
2009051 050929Z AUG 2009 30 FCSTSUMM 217/0225-217/0929
2009056 272022Z AUG 2009 26 FCSTDV 245/0800-245/2200
2009057 272027Z AUG 2009 31 FCSTDV 253/0030-253/1230
B. ADVISORIES:
NANU MSG DATE/TIME PRN TYPE SUMMARY (JDAY/ZULU
TIME START - STOP)

2009055 271449Z AUG 2009 05 USABINIT 239/1440-/
C. GENERAL:
NANU MSG DATE/TIME PRN TYPE SUMMARY (JDAY/ZULU
TIME START - STOP)

2009020 202158Z MAR 2009 GENERAL /-/
2009021 241836Z MAR 2009 01 LAUNCH /-/
2009023 262212Z MAR 2009 GENERAL /-/
2009025 061455Z APR 2009 GENERAL /-/
2009052 141446Z AUG 2009 GENERAL /-/
2009053 171838Z AUG 2009 05 LAUNCH /-/
2009054 201704Z AUG 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