5ada1d32-55fa-443b-b676-f8d2d9a8701d2026-04-30T15:45:00.000Z2026-05-01T03:45:00.000ZBASELINE106000A22026N2026-04-24T17:15:00.000ZKGPSQXXXX000999GPS202604301545202605010345GPS NAV NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2026037 SUBJ: SVN81 (PRN21) FORECAST OUTAGE JDAY 120/1545 - JDAY 121/0345 1. NANU TYPE: FCSTDV NANU NUMBER: 2026037 NANU DTG: 241646Z APR 2026 REFERENCE NANU: N/A REF NANU DTG: N/A SVN: 81 PRN: 21 START JDAY: 120 START TIME ZULU: 1545 START CALENDAR DATE: 30 APR 2026 STOP JDAY: 121 STOP TIME ZULU: 0345 STOP CALENDAR DATE: 01 MAY 2026 2. CONDITION: GPS SATELLITE SVN81 (PRN21) WILL BE UNUSABLE ON JDAY 120 (30 APR 2026) BEGINNING 1545 ZULU UNTIL JDAY 121 (01 MAY 2026) ENDING 0345 ZULU. 3. POC: CIVILIAN - NAVCEN AT 866-944-5748, HTTPS://WWW.NAVCEN.USCG.GOV MILITARY - GLOBAL WARFIGHTER COLLABORATION CELL AT HTTPS://GWCC-WS.CCE.AF.MIL/, DSN 560-2541, COMM 719-567-2541, GPSOPERATIONSCENTER@US.AF.MIL, HTTPS://GWCC-WS.CCE.AF.MIL MILITARY ALTERNATE - COMBINED SPACE OPERATIONS CENTER, DSN 276-3526, COMM 805-605-3526, JSPOCCOMBATOPS@SPACEFORCE.MILOTHER:ICAO<pre> A0002/26 NOTAMN Q) KGPS/QXXXX////000/999/ A) KGPS B) 2604301545 C) 2605010345 E) GPS NAV NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2026037 SUBJ: SVN81 (PRN21) FORECAST OUTAGE JDAY 120/1545 - JDAY 121/0345 1. NANU TYPE: FCSTDV NANU NUMBER: 2026037 NANU DTG: 241646Z APR 2026 REFERENCE NANU: N/A REF NANU DTG: N/A SVN: 81 PRN: 21 START JDAY: 120 START TIME ZULU: 1545 START CALENDAR DATE: 30 APR 2026 STOP JDAY: 121 STOP TIME ZULU: 0345 STOP CALENDAR DATE: 01 MAY 2026 2. CONDITION: GPS SATELLITE SVN81 (PRN21) WILL BE UNUSABLE ON JDAY 120 (30 APR 2026) BEGINNING 1545 ZULU UNTIL JDAY 121 (01 MAY 2026) ENDING 0345 ZULU. 3. POC: CIVILIAN - NAVCEN AT 866-944-5748, HTTPS://WWW.NAVCEN.USCG.GOV MILITARY - GLOBAL WARFIGHTER COLLABORATION CELL AT HTTPS://GWCC-WS.CCE.AF.MIL/, DSN 560-2541, COMM 719-567-2541, GPSOPERATIONSCENTER@US.AF.MIL, HTTPS://GWCC-WS.CCE.AF.MIL MILITARY ALTERNATE - COMBINED SPACE OPERATIONS CENTER, DSN 276-3526, COMM 805-605-3526, JSPOCCOMBATOPS@SPACEFORCE.MIL </pre>INTLKGPSGPS04/140GLOBAL POSITIONING SYSTEMNOTAMUI2026-04-24T17:16:00.000ZKGPS