SUBJ: GPS STATUS 24 APR 96
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, 14, 15, 16, 17, 18, 19, 20
   PLANE   : SLOT F1, B3, C2, D4, B4, C1, C4, A1, E1, D2, E3, D3, F3, A4, B2
   CLOCK   :      RB, CS, CS, CS, CS, CS, CS, CS, CS, CS, CS, CS, CS, RB, CS
   BLOCK II: PRNS 21  22, 23, 24, 25, 26, 27, 28, 29, 31
   PLANE   : SLOT E2  B1, E4, D1, A2, F2, A3, C5, F4, C3
   CLOCK   :      CS, CS, CS, RB, CS, CS, CS, CS, CS, RB
CURRENT ADVISORIES (ADV) AND FORECASTS (FCST):
INFORMATION IS REPEATED FOR SEVEN DAYS AFTER EVENT CONCLUDES.
A. FORECASTS:
NANU       MSG DATE/TIME   PRN      TYPE  SUMMARY
066-96113  081751Z APR 96  PRN06    FCST  MAINT       113/1905-UP TO 18 HRS
070-96117  121616Z APR 96  PRN06    FCST  MAINT       117/0000-UP TO 12 HRS
073-96120  151735Z APR 96  PRN24    FCST  MAINT       120/1945-UP TO 12 HRS
079-96113  221836Z APR 96  PRN06    FCST  CANCELLED   113/1905
082-96128  231839Z APR 96  PRN18    FCST  MAINT       128/0640-UP TO 12 HRS
B. ADVISORIES
NANU       MSG DATE/TIME   PRN      TYPE  SUMMARY
075-96109  181935Z APR 96  PRN16    USUS              109/1948-UP TO 24 HRS
076-96110  191422Z APR 96  PRN16    UNUS              109/1948-110/1408
077-96112  210351Z APR 96  PRN18    UNUS              112/0215-UFN
078-96113  221745Z APR 96  PRN18    UNUS              112/0215-113/1734
080-96114  230455Z APR 96  PRN16    UNUS              114/0422-UFN
081-96114  231451Z APR 96  PRN16    UNUS              114/0422-114/1439
C.  GENERAL: NO IMPACT, INFORMATIONAL PURPOSES ONLY
NUMBER     MSG DATE/TIME   PRN      TYPE  SUMMARY
3. REMARKS:
A. 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 SERVICE LEVELS.
THE POINT OF CONTACT IS LCDR JACKSON (719)554-2634 OR DSN 692-2634.
B. CIVILIAN: 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 OR FTP://FTP.NAVCEN.USCG.MIL
C. MILITARY: 2SOPS/DOAN 1LT HILGENBERG AT (719)567-6143 OR DSN 560-6143