Biorka dgps station 56-51.3N 135-32.4W unusable
The Coastal Waters of Southeast Alaska and British Columbia · NAVAREA XII 273/15
What this record establishes
Archived notice · 2015-08-13 11:09Z
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 DGPS 377/15 111636Z AUG 15.. Issued 2015-08-11 16:42Z. 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
- The Coastal Waters of Southeast Alaska and British Columbia. The parsed report position is 56.855, -135.540. 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
- Hazardous operationslater cancellation notice
- issued
- 2015-08-11 16:42Z
- status
- Archived notice
- authority
- COGARD NAVCEN DGPS 377/15 111636Z AUG 15.
- NAVAREA
- NAVAREA XII
- issued by
- COGARD NAVCEN
- sea
- The Coastal Waters of Southeast Alaska and British Columbia
- position
- 56.855, -135.540
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
ALASKA-SOUTHEAST COAST. CHART 17320. BIORKA DGPS STATION 56-51.3N 135-32.4W 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
249 within 180 nm since 2006 · 1 in the last 12 months · 0 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.
- Uscg communication facility pt higgins 55-27.00N 131-49.00W transmit and receive services off air2026-06-16
- Commdet kodiak, ak remote site point higgins 55-27.40N 131-49.90W transmit services off air2023-03-12
- Commdet kodiak, ak remote site ketchikan 55-27.00N 131-49.00W hf services unreliable 240700Z to 241500Z feb2023-02-23
- Commdet kodiak, ak remote site ketchikan 55-27.00N 131-49.00W transmit and receive services off air 100700Z…2023-01-09
- Commdet kodiak, ak remote site ketchikan 55-27N 131-49W transmit and receive services off air2022-11-01
- Commdet kodiak, ak remote site ketchikan 55-27N 131-49W hf transmit and receive services off air2022-03-16
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
No other collected notice is currently listed in force within this radius. This does not establish safe conditions.
Worldwide in the collected sources
134 aids-to-navigation notices listed in force · see all
Record snapshot 2026-10-02 19:55Z; 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.