SUBJ: GPS STATUS 15 MAR 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
063-91065 061613Z MAR 91  9      ADV   UNUSABLE 065/0342
                          17     FCST  REPOSITN 072/0900-073/0900
B. SHORT TERM:
NANU      MSG DATE/TIME   PRN    TYPE  SUMMARY
065-91067 081509Z MAR 91  12     ADV   UNUSABLE 066/1858-066/1905
                          11     ADV   UNUSABLE 067/0808-067/0830
066-91068 090230Z MAR 91  9      ADV   UNUSABLE 068/0100-068/0142
067-91072 131520Z MAR 91  17     FCST  REPOSITN 072/1038-072/1838
3. REMARKS: PRN17 WAS UNUSABLE ON DAY 72 BEGINNING 1038 UTC UNTIL
DAY 72 AT 1838 UTC DUE TO REPOSITIONING. SEE NANU 063-91065.
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 AUTOVON 560-6379.