SUBJ: GPS STATUS 26 Dec 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, 10, 14, 15, 16, 17, 18, 19, 20
   PLANE   : SLOT F1, B3, C2, D4, B4, C1, C4, A1, E3, E1, D2, E5, D3, F3, A4, B5
   CLOCK   :      RB, CS, 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, 30, 31
   PLANE   : SLOT E2, B1, E4, D1, A2, F2, A3, C5, F4, B2, C3
   CLOCK   :      CS, CS, CS, RB, CS, CS, CS, CS, CS, CS, RB
2. CURRENT ADVISORIES AND FORECASTS :
INFORMATION IS REPEATED FOR SEVEN DAYS AFTER EVENT CONCLUDES.
A. FORECASTS:
NANU          MSG DATE/TIME     PRN   TYPE          SUMMARY
                                                                -
193-96351     081543Z Dec   96  24    FCST DV       351/1935    - UP TO 12 HOURS
194-96354     101421Z Dec   96  16    FCST DV       354/1709    - UP TO 12 HOURS
195-96352     170206Z DEC   96  24    FCST SUMM     351/2010    - 352/0201
196-96355     200304Z DEC   96  16    FCST SUMM     354/1729    - 355/0331
197-97002     201631Z Dec   96  16    FCST DV       002/1615    - UP TO 12 HOURS
B. ADVISORIES:
NANU          MSG DATE/TIME     PRN   TYPE          SUMMARY
179-96309     041717Z Nov   96  28    UNUSABLE      309/1634    - UNTIL FURTHUR NOTICE
C. GENERAL:
NANU          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 LEVELS. THE POINT OF
CONTACT IS LTCOL DAVIS (719)554-2634 OR DSN 692-2634.
B. 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.
C. MILITARY: FOR INFORMATION, CONTACT 2LT BRIAN BARKER, 2SOPS/DOUAN
NAVIGATION ANALYST AT (719)567-6378, DSN 560-6378, OR COMPUTER BBS
(719)567-6379.