SUBJ: GPS STATUS 26 MAY 94
1. SATELLITES, PLANES AND CLOCKS (CS=CESIUM RB=RUBIDIUM):
A. BLOCK I : PRNS 12, 13
   PLANE   : SLOT A1, C1
   CLOCK   :      RB, RB
B. BLOCK II: PRNS  1,  2,  4,  5,  6,  7,  9, 14, 15, 16, 17, 18, 19, 20, 21
   PLANE   : SLOT F1, B3, D4, B4, C1, C4, A1, E1, D2, E3, D3, F3, A4, B2, E2
   CLOCK   :      CS, CS, CS, CS, RB, CS, CS, CS, CS, CS, CS, CS, CS, CS, CS
   BLOCK II: PRNS 22, 23, 24, 25, 26, 27, 28, 29, 31
   PLANE   : SLOT B1, E4, D1, A2, F2, A3, C2, F4, C3
   CLOCK   :      CS, CS, RB, CS, CS, CS, CS, CS, CS
2. CURRENT ADVISORIES (ADV) AND FORECASTS (FCST):
INFORMATION IS REPEATED FOR SEVEN DAYS AFTER EVENT CONCLUDES.
A. FORECASTS:
NANU      MSG DATE/TIME   PRN      TYPE  SUMMARY
057-94059 141918Z FEB 94  PRN13    FCST   MAINT       059/0000-UFN
152-94144 101410Z MAY 94  PRN18    FCST   MAINT       144/0150-UP TO 18 HOURS
153-94152 101415Z MAY 94  PRN20    FCST   MAINT       152/1720-UP TO 18 HOURS
154-94144 131406Z MAY 94  PRN18    FCST   MAINT       144/0750-UP TO 18 HOURS
160-94181 251449Z MAY 94  ALL      FCST  LEAPSEC      181/23:59:59
B. ADVISORIES
NANU      MSG DATE/TIME   PRN      TYPE  SUMMARY
156-94140 201417Z MAY 94  PRN12    ADV   UNUSABLE     140/0509-140/0520
157-94143 231433Z MAY 94  PRN12    ADV   UNUSABLE     140/0509-140/0520
158-94143 231436Z MAY 94  PRN12    ADV   UNUSABLE     142/1108-142/1109
159-94143 231439Z MAY 94  PRN12    ADV   UNUSABLE     142/1700-142/1709
161-94145 251450Z MAY 94  PRN18    ADV   FCSTSUMM     144/0824-144/1605
3. REMARKS:
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 LT CMDR TRICE (719)554-2634 OR DSN 692-2634.
4. POINTS OF CONTACT:
A. CIVILIAN: US COAST GUARD AT COMMERCIAL (703)313-5900 VOICE OR
(703)313-5910 COMPUTER BBS.
B. MILITARY: 2SOPS/DOAI CAPTAIN JAMES AT (719)550-6378 OR DSN 560-
6378