GPS OPERATIONAL ADVISORY        121
SUBJ: GPS STATUS      01 MAY 2011

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 B11, D1, C2, D4, E3, C5, A4, A3, A1, E6, 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, D21, B2, F21, A6,
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, B21, 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)

2011032       151821Z APR 2011    29   FCSTDV       111/0645-111/1845  
2011033       211240Z APR 2011    29   FCSTSUMM     111/0714-111/1229  
2011035       271542Z APR 2011    11   FCSTDV       123/1700-124/0500  
2011036       271545Z APR 2011    23   FCSTDV       125/1515-126/0315  
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)

2011034       211802Z APR 2011         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