S OPERATIONAL ADVISORY 187
SUBJ: GPS STATUS 05 JUL 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)

2008050 302217Z MAY 2008 06 FCSTDV 158/0800-159/1200
2008051 021944Z JUN 2008 25 FCSTMX 159/1700-160/0500
2008053 061802Z JUN 2008 06 FCSTSUMM 158/0849-158/1742
2008055 072008Z JUN 2008 25 FCSTSUMM 159/1726-159/2005
2008056 091954Z JUN 2008 25 FCSTMX 164/1600-164/2200
2008058 121858Z JUN 2008 25 FCSTSUMM 164/1626-164/1854
2008059 192112Z JUN 2008 08 FCSTDV 177/2330-178/1330
2008060 260525Z JUN 2008 08 FCSTSUMM 177/2338-178/0523
2008061 261402Z JUN 2008 32 FCSTDV 183/1400-184/1600
2008062 012248Z JUL 2008 32 FCSTSUMM 183/1412-183/2238
2008063 022048Z JUL 2008 04 FCSTDV 192/2000-193/0930
B. ADVISORIES:
NANU MSG DATE/TIME PRN TYPE SUMMARY (JDAY/ZULU
TIME START - STOP)

2008054 071805Z JUN 2008 09 UNUSUFN 159/1751-/
2008057 092020Z JUN 2008 09 UNUSABLE 159/1751-161/2017
C. GENERAL:
NANU MSG DATE/TIME PRN TYPE SUMMARY (JDAY/ZULU
TIME START - STOP)

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