SUBJ: GPS STATUS 20 Jan 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, 14, 15,
   PLANE   : SLOT F4, B3, C2, D4, B4, C1, C4, A3, A1, E3, D2, F5, E1, D5,
   CLOCK   :      CS, CS, CS, RB, CS, CS, RB, CS, CS, CS, RB, RB, CS, 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)
2000003       062107Z JAN 2000      06   FCSTDV       011/0100-011/1300
2000004       062110Z JAN 2000      21   FCSTMX       012/0030-012/1230
2000005       062111Z JAN 2000      10   FCSTMX       013/1200-014/0000
2000006       062113Z JAN 2000      05   FCSTMX       014/1400-015/0200
2000008       110753Z JAN 2000      06   FCSTSUMM     011/0122-011/0746
2000009       120718Z JAN 2000      21   FCSTSUMM     012/0208-012/0711
2000010       131415Z JAN 2000      10   FCSTSUMM     013/1235-013/1350
2000011       141552Z JAN 2000      05   FCSTSUMM     014/1422-014/1530
2000012       170841Z JAN 2000      01   FCSTDV       021/0715-021/1915
2000013       191909Z JAN 2000      11   FCSTMX       021/1700-022/0700
2000014       192054Z JAN 2000      01   FCSTCANC     019/2055-/
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)
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, 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)567-6393, DSN 560-6393, OR INTERNET
HTTP://WWW.SCHRIEVER.AF.MIL/GPS.