GPS OPERATIONAL ADVISORY JDAY 272

U.S. Coast Guard sent this bulletin at 09/28/2026 11:51 PM EDT

united states coast guard

UNCLASSIFIED
GPS OPERATIONAL ADVISORY        272.OA1
SUBJ: GPS STATUS      29 SEP 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-/
2026076       180918Z SEP 2026    15   FCSTDV       267/2345-268/1145
2026077       242304Z SEP 2026    25   FCSTDV       272/2200-273/1000
2026078       250531Z SEP 2026    15   FCSTSUMM     268/0020-268/0533

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       /-/


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/