Nga chart 18000 (8TH ed)
North Pacific Ocean · NAVAREA XII 428/11
What this record establishes
Archived notice · 2011-11-27 06:32Z
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 DGPS 894/11 211155Z NOV 11.. Issued 2011-11-21 13:59Z. 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
- North Pacific Ocean. The parsed report position is 32.665, -117.243. It is a position in the source message, not a live location. Check the original wording for limits and qualifications.
Related notices and cancellation links
- Nga chart 16016 (21ST ed)later cancellation notice
Current notices and reporting history in the North Pacific Ocean →
- issued
- 2011-11-21 13:59Z
- status
- Archived notice
- authority
- COGARD NAVCEN DGPS 894/11 211155Z NOV 11.
- NAVAREA
- NAVAREA XII
- issued by
- COGARD NAVCEN
- sea
- North Pacific Ocean
- position
- 32.665, -117.243
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
CALIFORNIA. NGA CHART 18000 (8TH ED). POINT LOMA DGPS STATION 32-39.9N 117-14.6W UNUSABLE.
Reading this warning
- Chart reference
- The number of the nautical chart on which the reported position lies.
- GNSS / GPS
- Satellite positioning — GPS and other systems — and the testing, jamming and interference that make it unreliable in an area.
- Position (degrees and minutes)
- How warnings write positions: degrees, a hyphen, then minutes, with N/S and E/W — 49-40.8N 003-43.8W.
Collected reports in this area · aids-to-navigation notices
136 within 180 nm since 1998 · 0 in the last 12 months · 1 listed in force now
Counts include repeat notices about the same situation. NGA archive coverage ends 2024-05; live collection began 2026-08-17. The period between them is incomplete. An empty year is not evidence that no hazards occurred.
- NAVTEX station cambria (q) 33-44.00N 118-24.00W off air2024-04-25
- NAVTEX station cambria (q) 33-44.00N 118-24.00W off air2023-08-15
- Coronado island south light 32-23.5N 117-14.5W unlit2022-04-15
- GPS unreliable 20 apr in area within 222 miles of 32-49-59N 118-23-00W2021-04-16
- Coronado island south light 32-23.5N 117-14.5W unlit2021-04-13
- NAVTEX station cambria (q) 33-44N 118-24W, service restored2021-02-20
Month of issue in the collected archive
All available years combined. Uneven collection and repeat bulletins affect these counts; this chart does not measure the seasonality or probability of incidents.
Nearby notices listed in force · within 120 nm
- Coronado island south light 32-23.5N 117-14.5W unlitNav aids · 16.4 nm
- 8MQR+62 avalon, ca, USASpills · 67.2 nm
- PQ63+HX los angeles, ca, USASpills · 80.5 nm
Worldwide in the collected sources
134 aids-to-navigation notices listed in force · see all
Record snapshot 2026-10-03 15:42Z; 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.