SUBJ: GPS STATUS 26 Apr 2000
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, 15,
   PLANE   : SLOT F4, B3, C2, D4, B4, C1, C4, A3, A1, E3, D2, F5, D5,
   CLOCK   :      CS, CS, CS, RB, CS, CS, RB, RB, CS, CS, RB, RB, CS,
   BLOCK II: PRNS 16, 17, 18, 19, 21, 22, 23, 24, 25, 26, 27, 29, 30, 31
   PLANE   : SLOT E5, D3, F3, A5, E2, B1, E4, D1, A2, F2, A4, F1, B2, C3
   CLOCK   :      CS, CS, CS, CS, CS, RB, CS, RB, CS, RB, CS, RB, CS, 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)
2000044       032111Z APR 2000      19   FCSTDV       099/1000-101/1000
2000045       061433Z APR 2000      24   FCSTDV       102/2000-103/0800
2000048       092216Z APR 2000      19   FCSTSUMM     099/1000-099/2215
2000049       101402Z APR 2000      19   FCSTSUMM     099/1035-100/2215
2000050       101834Z APR 2000      24   FCSTRESCD    104/1945-105/0745
2000053       140424Z APR 2000      24   FCSTSUMM     104/2037-105/0424
2000055       191616Z APR 2000      17   FCSTDV       116/2230-117/1030
2000056       241845Z APR 2000      17   FCSTCANC     116/2230-/
B. ADVISORIES:
NANU          MSG DATE/TIME     PRN    TYPE         SUMMARY (JDAY/ZULU TIME START - STOP)
2000037         270004Z MAR 2000    14     UNUSUFN      086/2348-/
2000051         122321Z APR 2000    31     UNUSUFN      103/2203-/
2000052         131108Z APR 2000    31     UNUSABLE     103/2203-104/1138
C. GENERAL:
NANU          MSG DATE/TIME     PRN    TYPE         SUMMARY (JDAY/ZULU TIME START - STOP)
3. REMARKS:
A. ANTI-SPOOF WAS DEACTIVATED ON JDAY 033 (02 FEB 97) AT OOOOZ.
ANTI-SPOOF WAS REACTIVATED ON JDAY 055 (24 FEB 97) AT 0000Z.
B. THE POINT OF CONTACT FOR GPS MILITARY OPERATIONAL SUPPORT IS LT CMDR WALLS
(719)554-5770 OR DSN 692-5770.
C. CIVILIAN:  FOR INFORMATION, CONTACT US COAST GUARD NAVCEN AT
COMMERCIAL (703)313-5900 24 HOURS DAILY,
AND INTERNET HTTP://WWW.NAVCEN.USCG.MIL OR FTP://FTP.NAVCEN.USCG.MIL.
D. MILITARY: FOR INFORMATION, CONTACT CAPT PAUL HERMANN, 2SOPS/DOAN
NAVIGATION ANALYST AT (719)567-2744, DSN 560-2744, OR INTERNET HTTP://WWW.SCHRIEVER.AF.MIL/GPS.