Nav aids
Prn 24 unusable
GPS Satellite System · HYDROARC 192/11
What this record establishes
Archived notice · 2011-10-08 09:09Z
This notice comes from the historical archive. Its archived status does not establish when or how the reported situation ended.
- Source and dates
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · COGARD NAVCEN GPS 755/11 301538Z SEP 11.. Issued 2011-09-30 16:35Z. First collected 2026-08-17 13:38Z; last seen in collection 2026-08-17 15:46Z. Collection dates record ingestion, not a new incident or a fresh field observation.
- Location covered
- GPS Satellite System. No usable coordinates were parsed; a location-based nearby search is unavailable. Check the original wording for limits and qualifications.
- issued
- 2011-09-30 16:35Z
- status
- Archived notice
- authority
- COGARD NAVCEN GPS 755/11 301538Z SEP 11.
- issued by
- COGARD NAVCEN
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
GPS SATELLITE SYSTEM. PRN 24 UNUSABLE.
Reading this warning
- GNSS / GPS
- Satellite positioning — GPS and other systems — and the testing, jamming and interference that make it unreliable in an area.
Nearby notices listed in force · within 120 nm
No parsed position is available for this comparison.
Worldwide in the collected sources
136 aids-to-navigation notices listed in force · see all
Record snapshot 2026-10-02 13:25Z; source collection times vary.
Nav aids
Lights extinguished, buoys off station, RACON/NAVTEX outages. All current aids-to-navigation notices →
Not for navigation. This is a re-rendering of an official navigational warning for awareness; mariners must use official NAVAREA broadcasts and their national MSI service.