GPS OPERATIONAL ADVISORY        354.OA1
SUBJ: GPS STATUS 20 DEC 2010
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)
2010143       221750Z NOV 2010    04   FCSTMX       336/1400-337/0200
2010145       302242Z NOV 2010    04   FCSTRESCD    356/1300-357/0100
2010146       302245Z NOV 2010    04   FCSTDV       351/0715-351/1915
2010147       031940Z DEC 2010    32   FCSTDV       344/0115-344/1315
2010148       100353Z DEC 2010    32   FCSTDV       348/0145-348/1345
2010149       100749Z DEC 2010    32   FCSTSUMM     344/0126-344/0717
2010150       140656Z DEC 2010    32   FCSTSUMM     348/0158-348/0649
2010151       140723Z DEC 2010    32   FCSTSUMM     348/0158-348/0649
2010152       152001Z DEC 2010    24   FCSTDV       362/2200-363/2200
2010153       152005Z DEC 2010    06   FCSTMX       006/1600-007/0400
2010154       171329Z DEC 2010    04   FCSTSUMM     351/0742-351/1321
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)
2009025       061455Z APR 2009         GENERAL      /-/
2010144       271409Z NOV 2010         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