GPS OPERATIONAL ADVISORY JDAY 289

U.S. Coast Guard sent this bulletin at 10/15/2026 10:05 PM EDT

united states coast guard

UNCLASSIFIED
GPS OPERATIONAL ADVISORY 289.OA1
SUBJ: GPS STATUS 16 OCT 2026

1. SATELLITES, PLANES, AND CLOCKS (CS=CESIUM RB=RUBIDIUM):
A. BLOCK I : NONE
B. BLOCK II : PRNS 2, 3, 5, 6, 7, 8, 9, 10, 12, 15, 16, 17, 19, 22
PLANE : SLOT D1, E1, E3, D4, A4, C3, F3, E2, B4, F2, B1, C4, C5, B3
CLOCK : RB, RB, RB, RB, RB, RB, RB, RB, RB, RB, RB, RB, RB, RB
BLOCK II : PRNS 24, 25, 26, 27, 29, 30, 31, 32
PLANE : SLOT A1, B2, B5, C2, C1, A3, A2, F1
CLOCK : RB, RB, RB, CS, RB, RB, RB, RB
C. BLOCK III: PRNS 1, 4, 11, 13, 14, 18, 20, 21, 23, 28
PLANE : SLOT D2, F4, D5, A5, B6, D6, F5, E6, E5, A6
CLOCK : RB, RB, RB, RB, RB, RB, RB, RB, RB, RB

2. CURRENT ADVISORIES AND FORECASTS :
A. FORECASTS: FOR SEVEN DAYS AFTER EVENT CONCLUDES.
NANU MSG DATE/TIME PRN TYPE SUMMARY (JDAY/ZULU TIME START - STOP)
2026053 100507Z JUL 2026 03 FCSTEXTD 190/1800-/
2026083 021653Z OCT 2026 12 FCSTDV 281/2300-282/2300
2026086 082007Z OCT 2026 31 FCSTMX 286/1500-286/2300
2026087 082007Z OCT 2026 17 FCSTMX 288/1530-288/2330
2026088 090615Z OCT 2026 12 FCSTSUMM 281/2317-282/0614
2026089 132108Z OCT 2026 31 FCSTSUMM 286/1813-286/2106
2026090 151942Z OCT 2026 17 FCSTSUMM 288/1718-288/1940
2026091 152011Z OCT 2026 15 FCSTMX 294/1530-294/2330
2026092 152011Z OCT 2026 12 FCSTMX 295/1700-296/0100
2026093 152011Z OCT 2026 08 FCSTDV 296/0150-296/1350

B. ADVISORIES:
NANU MSG DATE/TIME PRN TYPE SUMMARY (JDAY/ZULU TIME START - STOP)
2026048 261618Z JUN 2026 11 UNUSUFN 177/1612-/
2026068 022155Z SEP 2026 25 UNUSUFN 245/2154-/

C. GENERAL:
NANU MSG DATE/TIME PRN TYPE SUMMARY (JDAY/ZULU TIME START - STOP)
2014038 240852Z APR 2014 GENERAL /-/
2014039 270804Z APR 2014 GENERAL /-/
2025075 062052Z NOV 2025 GENERAL /-/
2025077 102033Z DEC 2025 GENERAL /-/
2026016 022303Z FEB 2026 20 LAUNCH /-/
2026026 180030Z MAR 2026 GENERAL /-/
2026027 190218Z MAR 2026 GENERAL /-/
2026039 291927Z APR 2026 13 LAUNCH /-/
2026079 291526Z SEP 2026 GENERAL /-/


3. REMARKS:
A. THE POINT OF CONTACT FOR GPS MILITARY OPERATIONAL SUPPORT IS THE GPS
OPERATIONS CENTER AT 719-567-2541 OR DSN 560-2541.
B. CIVILIAN: FOR INFORMATION, CONTACT US COAST GUARD NAVCEN AT
COMMERCIAL 866-944-5748 24 HOURS DAILY AND INTERNET
HTTPS://WWW.NAVCEN.USCG.GOV
C. MILITARY SUPPORT WEBPAGES CAN BE FOUND AT THE FOLLOWING
HTTPS://GWCC-WS.CCE.AF.MIL/GPS OR HTTPS://GWCC-WS.CCE.AF.MIL/