SUBJ: GPS STATUS 8 OCT 92
1. SATELLITES, PLANES AND CLOCKS (CS=CESIUM RB=RUBIDIUM):
A. BLOCK I : PRNS  3, 11, 12, 13
   PLANE   : SLOT C4, C3, A1, C1
   CLOCK   :      RB, RB, RB, CS
B. BLOCK II: PRNS  2, 14, 15, 16, 17, 18, 19, 20, 21, 23, 24, 25, 26, 27, 28
   PLANE   : SLOT B3, E1, D2, E3, D3, F3, A4, B2, E2, E4, D1, A2, F2, A3, C2
   CLOCK   :      CS, CS, CS, CS, CS, CS, CS, CS, CS, CS, CS, RB, 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
239-92288 012023Z OCT 92  PRN26  FCST  DELTA-V 287/1800 UP TO 8 HRS
B. ADVISORIES:
NANU      MSG DATE/TIME   PRN     TYPE  SUMMARY
237-92275 010036Z OCT 92  PRN27   ADV   USABLE      274/2008
238-92275 011555Z OCT 92  PRN13   ADV   UNUSABLE    275/1513-275/1525
240-92289 030045Z OCT 92  PRN12   ADV   UNUSABLE    276/2211-276/2224
241-DELETION
242-92279 051355Z OCT 92  PRN12   ADV   UNUSABLE    277/1938-277/1959
243-92279 051359Z OCT 92  PRN13   ADV   UNUSABLE    277/1529-277/1541
244-92279 051405Z OCT 92  PRN13   ADV   UNUSABLE    279/0525-279/0526
245-92279 051345Z OCT 92  SEE NANU      AS TESTING  277/0100-279/1000
246-92280 061520Z OCT 92  PRN12   ADV   UNUSABLE    280/1500-280/1505
247-92281 071350Z OCT 92  PRN12   ADV   UNUSABLE    280/2205-280/2218
248-92281 071353Z OCT 92  PRN11   ADV   USABLE      280/1430
3. REMARKS:
A. USERS OF GPS ARE CAUTIONED THAT THE SYSTEM IS NOT YET FULLY
OPERATIONAL. SIGNAL AVAILABILITY AND ACCURACY ARE SUBJECT TO
CHANGE DUE TO AN INCOMPLETE CONSTELLATION AND OPERATIONAL TEST
ACTIVITIES.
B. 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 Col ROB WORLEY (719)554-2634 OR DSN
692-2634.
4. POINTS OF CONTACT:
A. CIVILIAN: US COAST GUARD AT COMMERCIAL (703)866-3806 VOICE OR
(703)866-3890 COMPUTER BBS.
B. MILITARY: 2SOPS/DOAI 1LT SKINNER AT (719)550-6378/80 OR DSN 560-
6378/80