SUBJ: GPS STATUS 22 Oct 1998
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, 13, 14, 15, 16,
   PLANE   : SLOT F1, B3, C2, D4, B4, C1, C4, A5, A1, E3, F5, E1, D2, E5,
   CLOCK   :      CS, CS, CS, RB, CS, CS, CS, RB, CS, CS, RB, CS, CS, CS,
   BLOCK II: PRNS 17, 18, 19, 21, 22, 23, 24, 25, 26, 27, 29, 30, 31
   PLANE   : SLOT D3, F3, A4, E2, B1, E4, D1, A2, F2, A3, F4, B2, C3
   CLOCK   :      CS, CS, RB, CS, CS, 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)
1998127       091640Z SEP 1998      14   FCSTDV       258/2030-259/0830
1998132       141428Z SEP 1998      14   FCSTCANC     258/2030-/
1998133       181505Z SEP 1998      30   FCSTMX       268/0550-268/1750
1998134       181510Z SEP 1998      29   FCSTMX       271/1650-272/0450
1998138       250554Z SEP 1998      30   FCSTCANC     268/0550-/
1998139       281807Z SEP 1998      29   FCSTCANC     271/1650-/
1998140       291927Z SEP 1998      22   FCSTMX       280/1050-290/1050
1998142       192232Z OCT 1998      05   FCSTDV       296/2200-297/1000
1998143       192236Z OCT 1998      22   FCSTDV       299/0200-299/1400
1998144       192241Z OCT 1998      27   FCSTMX       297/2000-298/0800
B. ADVISORIES:
NANU          MSG DATE/TIME     PRN    TYPE         SUMMARY (JDAY/ZULU TIME START - STOP)
1998131         131810Z SEP 1998    04     UNUSUFN      256/1728-/
1998136         212249Z SEP 1998    04     UNUSABLE     256/1728-264/2214
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. SELECTIVE AVAILABILITY WAS REACTIVATED AT STANDARD POSITIONING
SERVICE ACCURACY LEVELS ON DAY 182 (01 JUL 91) AT 0400 UTC.
VARIATIONS MAY BE SEEN IN THE EFFECT OF SA DURING TESTING, BUT THE
EFFECT SHOULD NOT EXCEED STANDARD POSITIONING LEVELS. THE POINT OF
CONTACT IS CMDR BROOMFIELD (719)554-5770 OR DSN 692-5770.
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 BRIAN BARKER, 2SOPS/DOAN
NAVIGATION ANALYST AT (719)567-6378, DSN 560-6378, OR INTERNET HTTP://WWW.FAFB.AF.MIL/GPS.