Dgps station at nash point light 51-24N 003-33W unreliable 0900Z to 1400Z daily 25 and 27 may
Bristol Channel · HYDROLANT 905/04
What this record establishes
Archived notice · 2004-05-26 08:40Z
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) · WZ 697/04 250847Z MAY 04. Issued 2004-05-25 11:50Z. 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
- Bristol Channel. The parsed report position is 51.400, -3.550. 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
- Dgps station at nash point light 51-24N 003-33W unreliable 270900Z to 271400Z maylater cancellation notice
Current notices and reporting history in the Bristol Channel →
- issued
- 2004-05-25 11:50Z
- status
- Archived notice
- self-cancels
- 2004-05-27 15:00Z
- authority
- WZ 697/04 250847Z MAY 04
- issued by
- WZ
- sea
- Bristol Channel
- position
- 51.400, -3.550
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
CHART 36165 (6TH ED). 1. DGPS STATION AT NASH POINT LIGHT 51-24N 003-33W UNRELIABLE 0900Z TO 1400Z DAILY 25 AND 27 MAY. 2. CANCEL THIS MSG 271500Z MAY.
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.
- Inoperative / unreliable / off air
- An aid or radio service is not working as charted or published.
- CANCEL THIS MSG
- The warning's own expiry: a line telling the reader when the message cancels itself.
- Date-time group (DTG)
- A compact UTC timestamp — day, hour and minute followed by Z — such as 201500Z for the 20th at 15:00 UTC.
Collected reports in this area · aids-to-navigation notices
1743 within 180 nm since 1997 · 4 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
- Newhaven breakwater, head light 50-46.50N 000-03.50E unlit2026-09-06
- Fog signal at dungeness light 50-54.80N 000-58.60E inoperative2026-08-27
- Fowey light 50-19.60N 004-38.90W unreliable2026-07-27
- Balbriggan island light 53-36.80N 006-10.80W unreliable2024-09-25
- Mf r/t and dsc services at scillies site 49-55.70N 006-18.20W off air2024-09-05
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
137 aids-to-navigation notices listed in force · see all
Record snapshot 2026-10-02 02:03Z; 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.