SUBJ: GPS STATUS 25 APR 91
1. SATELLITES, PLANES AND CLOCKS (CS=CESIUM RB=RUBIDIUM):
A. BLOCK I : PRNS  3,  6, 11, 12, 13
   PLANE   : SLOT C4, A3, C3, A1, C1
   CLOCK   :      RB, RB, CS, CS, CS
B. BLOCK II: PRNS  2, 14, 15, 16, 17, 18, 19, 20, 21, 23
   PLANE   : SLOT B3, E1, D2, E3, D3, F3, A4, B2, E2, E4
   CLOCK   :      CS, CS, CS, CS, CS, CS, CS, CS, CS, CS
2. CURRENT ADVISORIES (ADV) AND FORECASTS (FCST):
INFORMATION IS REPEATED FOR SEVEN DAYS AFTER EVENT CONCLUDES.
A. LONG TERM:
NANU      MSG DATE/TIME   PRN    TYPE  SUMMARY
079-91108 161504Z APR 91  PRN15  FCST  UNUSABLE 111/2300-112/1700
081-91113 181745Z APR 91  PRN15  FCST  UNUSABLE 113/0300-113/2100
                          PRN3   FCST  UNUSABLE 115/0200-115/2000
B. SHORT TERM:
NANU      MSG DATE/TIME   PRN    TYPE  SUMMARY
080-91108 181519Z APR 91  PRN11  ADV   UNUSABLE 108/0706-108/0735
082-91109 191453Z APR 91  PRN3   ADV   UNUSABLE 109/1214-109/1241
083-91109 221432Z APR 91  PRN12  ADV   UNUSABLE 109/2200-109/2214
084-91112 231357Z APR 91  PRN3   ADV   UNUSABLE 112/2200-112/2212
085-91115 251100Z APR 91  PRN6   ADV   UNUSABLE 115/0845-115/0941
3. REMARKS: THE ACTUAL OUTAGE FOR PRN3 WAS 115/0215-115/0539 UTC.
4. POINTS OF CONTACT:
A. CIVILIAN: US COAST GUARD AT COMMERCIAL (703)866-3806 VOICE OR
(703)866-3890 COMPUTER BBS.
B. MILITARY: 2SCS/DOS MAJ WILLIAM FAUVER AT COMMERCIAL (719)550-6379
OR DSN 560-6379.