SUBJ: GPS STATUS 23 Mar 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, CS, 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)
1998030       032345Z MAR 1998      26   FCSTMX       068/1420-078/1420
1998033       132146Z MAR 1998      03   FCSTDV       079/1500-080/0300
1998034       132215Z MAR 1998      26   FCSTMX       083/1400-084/0200
1998036       171820Z MAR 1998      06   FCSTDV       082/0000-082/1200
1998037       172043Z MAR 1998      03   FCSTMX       090/1250-091/0050
1998038       181520Z MAR 1998      26   FCSTCANC     083/1400-/
1998039       181530Z MAR 1998      22   FCSTMX       083/1400-084/0200
1998040       202021Z MAR 1998      03   FCSTSUMM     079/1555-079/1957
1998041       231045Z MAR 1998      06   FCSTSUMM     082/0036-082/1021
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 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.