GPS OPERATIONAL ADVISORY        074.OA1
SUBJ: GPS STATUS 15 Mar 2001
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, F3, F1, D5
   CLOCK   :      CS, CS, CS, RB, CS, CS, RB, RB, CS, CS, RB, RB, RB, CS
   BLOCK II: PRNS 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31
   PLANE   : SLOT D3, E4  A5, E1, E2, B1, E5, D1, A2, F2, A4, B5, F5, B2, C3
   CLOCK   :      CS, RB, CS, RB, CS, RB, CS, CS, 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)
2001039       062310Z MAR 2001      28   FCSTMX       072/0830-072/2030
2001042       100423Z MAR 2001      08   FCSTMX       075/1330-076/0130
2001043       131209Z MAR 2001      28   FCSTSUMM     072/0847-072/1205
B. ADVISORIES:
NANU          MSG DATE/TIME     PRN    TYPE         SUMMARY (JDAY/ZULU TIME START - STOP)
2001015         300237Z JAN 2001    15     UNUSUFN      030/0211-/
2001027         151555Z FEB 2001    18     USABINIT     046/1551-/
C. GENERAL:
NANU          MSG DATE/TIME     PRN    TYPE         SUMMARY (JDAY/ZULU TIME START - STOP)
3. REMARKS:
A. SELECTIVE AVAILABILITY WAS TURNED OFF ON JDAY 123 (02 MAY 00) AT 0407Z
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 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)567-6614, DSN 560-6614, OR INTERNET                       HTTP://WWW.SCHRIEVER.AF.MIL/GPS.