SUBJ: GPS STATUS 13 APR 94
1. SATELLITES, PLANES AND CLOCKS (CS=CESIUM RB=RUBIDIUM):
A. BLOCK I : PRNS  3, 12, 13
   PLANE   : SLOT C4, A1, C1
   CLOCK   :      RB, 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
105-94098 251546Z MAR 94  PRN17    FCST   MAINT       098/1850-UP TO 18 HOURS
113-94104 311509Z MAR 94  PRN24    FCST   MAINT       104/1330-UP TO 24 HOURS
120-94110 061821Z APR 94  PRN9     FCST   MAINT       110/1230-UP TO 12 HOURS
129-94104 122055Z APR 94  PRN3     FCST   DISPOSAL    103/1500
130-94105 122117Z APR 94  PRN6     FCST   MAINT       105/1940-UP TO 72 HOURS
131-94117 131415Z APR 94  PRN14    FCST   MAINT       117/0840-UP TO 12 HOURS
132-94105 131839Z APR 94  PRN6     FCST   MAINT       105/1715-UP TO 72 HOURS
B. ADVISORIES
NANU      MSG DATE/TIME   PRN      TYPE  SUMMARY
081-94058 270330Z FEB 94  PRN3     ADV   UNUSABLE     058/0233-UFN
083-94059 281652Z FEB 94  PRN3     ADV   UNUSABLE     058/0233-UFN
108-94099 281650Z MAR 94  PRN6     ADV   SET ACT      SEE NANU
119-94096 061658Z APR 94  PRN20    ADV   UNUSABLE     096/1636-UFN
121-94096 061824Z APR 94  PRN20    ADV   UNUSABLE     096/1636-096/1747
122-94098 082230Z APR 94  PRN26    ADV   UNUSABLE     098/2134-098/2219
123-94101 111456Z APR 94  PRN12    ADV   UNUSABLE     098/0300-098/0324
124-94101 111459Z APR 94  PRN17    ADV   FCSTSUMM     098/1918-098/2016
125-94101 111504Z APR 94  PRN12    ADV   UNUSABLE     100/2207-100/2233
126-94101 111505Z APR 94  PRN6     ADV   UNUSABLE     099/1456-UFN
127-94102 132018Z MAR 93  PRN12    ADV   UNUSABLE     101/1900-102/0130
128-94102 121741Z APR 94  PRN6     ADV   UNUSABLE     099/1456-102/1600
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 THOMPSON AT (719)550-6378 OR DSN 560-
6378