SUBJ: GPS STATUS 03 Oct 97
1. SATELLITES, PLANES, AND CLOCKS (CS=CESIUM RB=RUBIDIUM):
A. BLOCK I : NONE
B. BLOCK II: PRNS  1,  2,  3,  4,  5,  6,  7,  9, 10, 14, 15, 16, 17, 18, 19
   PLANE   : SLOT F1, B3, C2, D4, B4, C1, C4, A1, E3, E1, D2, E5, D3, F3, A4
   CLOCK   :      CS, CS, CS, CS, CS, CS, CS, CS, CS, CS, CS, CS, CS, CS, RB
   BLOCK II: PRNS 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31
   PLANE   : SLOT E2, B1, E4, D1, A2, F2, A3, C5, F4, B2, C3
   CLOCK   :      CS, CS, CS, RB, CS, CS, CS, 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)
097-97266     151850Z Sep  97   30     FCST MX      266/0000    UP TO 12 HOURS
099-97266     230820Z SEP  97   30     FCSTSUMM     266/0039-   266/0730
100-97268     250821Z SEP  97   22     FCSTSUMM     268/0121-   268/0820
101-97288     301516Z Sep  97   5      FCST MX      288/0350    UP TO 12 HOURS
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. 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 LTCOL DAVIS (719)554-2634 OR DSN 692-2634.
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 2LT BRIAN BARKER, 2SOPS/DOUAN
NAVIGATION ANALYST AT (719)567-6378, DSN 560-6378, OR COMPUTER BBS
(719)567-6379.