GPS OPERATIONAL ADVISORY        286.OA1
SUBJ: GPS STATUS 12 Oct 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, 16
   PLANE   : SLOT F4, B3, C2, D4, B4, C1, C4, A3, A1, E3, D2, F5, D5, E5
   CLOCK   :      CS, CS, CS, RB, CS, CS, RB, RB, CS, CS, RB, RB, CS, CS
   BLOCK II: PRNS 17, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31
   PLANE   : SLOT D3, A5, E1, E2, B1, E4, D1, A2, F2, A4, B5, F1, B2, C3
   CLOCK   :      CS, CS, RB, CS, RB, CS, RB, CS, RB, CS, RB, 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)
2000137       051919Z SEP 2000      25   FCSTDV       256/2000-257/0800
2000138       051922Z SEP 2000      07   FCSTMX       258/1900-259/0100
2000141       121511Z SEP 2000      25   FCSTCANC     256/2000-/
2000142       142148Z SEP 2000      07   FCSTSUMM     258/1913-258/2148
2000143       181756Z SEP 2000      11   FCSTDV       270/0830-272/0830
2000144       181808Z SEP 2000      20   FCSTMX       273/0800-273/2000
2000145       181812Z SEP 2000      25   FCSTDV       271/1900-272/0700
2000146       191857Z SEP 2000      25   FCSTRESCD    272/1900-273/0700
2000147       251504Z SEP 2000      11   FCSTCANC     270/0830-/
2000149       272050Z SEP 2000      15   FCSTMX       278/1400-278/2000
2000150       272054Z SEP 2000      11   FCSTMX       279/0800-279/2000
2000151       281829Z SEP 2000      25   FCSTRESCD    275/1900-276/0700
2000154       291627Z SEP 2000      20   FCSTSUMM     273/1113-273/1558
2000155       020415Z OCT 2000      25   FCSTSUMM     275/1930-276/0402
2000157       022135Z OCT 2000      13   FCSTDV       284/0600-285/0700
2000158       040442Z OCT 2000      25   FCSTSUMM     276/1652-278/0338
2000159       041831Z OCT 2000      15   FCSTEXTD     279/1500-/
2000160       042029Z OCT 2000      15   FCSTCANC     279/1500-/
2000161       042044Z OCT 2000      15   FCSTEXTD     278/1500-/
2000162       042136Z OCT 2000      15   FCSTSUMM     278/1500-278/2106
2000163       042143Z OCT 2000      20   FCSTMX       285/1400-286/0200
2000164       051833Z OCT 2000      11   FCSTSUMM     279/0812-279/1827
2000165       051903Z OCT 2000      11   FCSTDV       286/1115-286/2315
2000166       061758Z OCT 2000      11   FCSTRESCD    286/0730-287/1930
2000167       110324Z OCT 2000      13   FCSTSUMM     284/0615-285/0159
2000168       111651Z OCT 2000      20   FCSTSUMM     285/1429-285/1619
2000169       112150Z OCT 2000      28   FCSTMX       291/1200-292/0000
B. ADVISORIES:
NANU          MSG DATE/TIME     PRN    TYPE         SUMMARY (JDAY/ZULU TIME START - STOP)
2000109         281842Z JUN 2000    18     UNUSUFN      180/1319-/
2000123         270712Z JUL 2000    16     UNUSUFN      209/0707-/
2000131         171408Z AUG 2000    28     USABINIT     230/1351-/
2000135         021125Z SEP 2000    24     UNUSUFN      246/1101-/
2000136         021756Z SEP 2000    24     UNUSABLE     246/1101-246/1555
2000139         071802Z SEP 2000    24     UNUSUFN      251/1742-/
2000140         112020Z SEP 2000    24     UNUSABLE     251/1742-255/2020
2000148         271405Z SEP 2000    23     UNUSUFN      271/1354-/
2000152         282346Z SEP 2000    23     UNUSABLE     271/1354-272/2313
2000156         021720Z OCT 2000    25     UNUSUFN      276/1652-/
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 THE GPS
SUPPORT CENTER AT (719)567-2541 OR DSN 560-2541.
C. CIVILIAN:  FOR INFORMATION, CONTACT US COAST GUARD NAVCEN AT
COMMERCIAL (703)313-5900 24 HOURS DAILY, COMPUTER BBS (703)313-5910,
AND INTERNET HTTP://WWW.NAVCEN.USCG.MIL OR FTP://FTP.NAVCEN.USCG.MIL.
D. MILITARY: FOR INFORMATION, CONTACT 1LT HERB KNIERIM, 2SOPS/DOAN
NAVIGATION ANALYST AT (719)567-2744, DSN 560-2744, OR INTERNET HTTP://WWW.SCHRIEVER.AF.MIL/GPS.