Nav aids

Dgps station at point lynas light 53-25N 004-17W changed to: 297.5 khz

Irish Sea and St. George's Channel · HYDROLANT 2485/01

What this record establishes

Archived notice · 2001-11-02 11:45Z

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) · NAVAREA ONE 376/01 AOR-E EGC #195 171742Z SEP 01. Issued 2001-09-17 18:13Z. 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: Irish Sea and St. George's Channel. The parsed report position is 53.670, -3.845. It is a position in the source message, not a live location. Check the original wording for limits and qualifications.

Current notices and reporting history in the Irish Sea and St. George's Channel →

issued: 2001-09-17 18:13Z
status: Archived notice
authority: NAVAREA ONE 376/01 AOR-E EGC #195 171742Z SEP 01
issued by: NAVAREA ONE
sea: Irish Sea and St. George's Channel
position: 53.670, -3.845
source: NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

1. DGPS STATION AT POINT LYNAS LIGHT 53-25N 004-17W CHANGED TO:
   297.5 KHZ.
2. DGPS STATION AT NASH POINT LIGHT 51-24N 003-33W CHANGED TO:
   309.5 KHZ.
3. DGPS STATION AT LIZARD LIGHT 49-58N 005-12W CHANGED TO:
   306.0 KHZ.
4. DGPS STATION AT ST CATHERINE'S LIGHT 50-35N 001-18W CHANGED TO:
   307.5 KHZ.
5. DGPS STATION AT NORTH FORELAND LIGHT 51-22N 001-27E CHANGED TO:
   299.5 KHZ.
6. DGPS STATION AT FLAMBOROUGH HEAD LIGHT 54-07N 000-05W CHANGED TO:
   290.5 KHZ.
7. DGPS STATION AT GIRDLENESS LIGHT 57-08N 002-03W CHANGED TO:
   297.0 KHZ.
8. DGPS STATION AT SUMBURGH HEAD LIGHT 59-51N 001-16W CHANGED TO:
   291.5 KHZ.
9. DGPS STATION AT BUTT OF LEWIS LIGHT 58-31N 006-16W CHANGED TO:
   295.5 KHZ.
10. DGPS STATION AT LOOP HEAD LIGHT 52-34N 009-56W CHANGED TO:
    293.0 KHZ.
11. DGPS STATION AT MIZEN HEAD LIGHT 51-27N 009-49W CHANGED TO:
    284.0 KHZ.

Reading this warning

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.

All warning terms →

Collected reports in this area · aids-to-navigation notices

1890 within 180 nm since 1997 · 8 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.

Bull point light in 51-12.00N 004-12.10W unreliable2026-09-24
Dubh artach light 56-08.0N 006-38.1W unreliable2026-09-17
Dubh artach light 56-08.00N 006-38.10W unreliable2026-09-16
Roker pier light 54-55.30N 001-21.20W unreliable2026-09-05
Mf dsc and r/t services off air at: a. cullercoats 55-04.40N 001-27.80W2026-08-24
Mf dsc and r/t services off air at: a. cullercoats 55-04.40N 001-27.80W2026-08-16

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 2026-10-04 03:52Z; 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.