Nav aids

Loran-c station anthorn, rate 6731-Y, off air 060800Z to 061600Z may

HYDROLANT 762/08

What this record establishes

Archived notice · 2008-05-06 17:00Z

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 I 123/08 050702Z MAY 08.. Issued 2008-05-05 08:31Z. 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
No named location parsed. No usable coordinates were parsed; a location-based nearby search is unavailable. Check the original wording for limits and qualifications.

Activity windows · 1 in this warning

opens (UTC)closes (UTC)locallength
2008-05-06 08:00Z2008-05-06 16:00Z—8 h

Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.

issued
2008-05-05 08:31Z
status
Archived notice
self-cancels
2008-05-06 17:00Z
authority
NAVAREA I 123/08 050702Z MAY 08.
NAVAREA
NAVAREA I · named as the source of this relay
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

1. LORAN-C STATION ANTHORN, RATE 6731-Y,
   OFF AIR 060800Z TO 061600Z MAY.
2. CANCEL HYDROLANT 757/08(24).
3. CANCEL THIS MSG 061700Z MAY.

Reading this warning

Inoperative / unreliable / off air
An aid or radio service is not working as charted or published.
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.
Cancellation reference
A line that cancels an earlier warning by its number, such as CANCEL HYDROLANT 1085/12.
HYDROLANT
The U.S. long-range warning series for Atlantic waters outside NAVAREA IV, including the eastern Atlantic, the Mediterranean and adjoining seas.
CANCEL THIS MSG
The warning's own expiry: a line telling the reader when the message cancels itself.

All warning terms →

Nearby notices listed in force · within 120 nm

No parsed position is available for this comparison.

Worldwide in the collected sources

134 aids-to-navigation notices listed in force · see all

Record snapshot 2026-10-02 15:03Z; 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.