Nav aids

GPS jamming exercises daily 16 thru 24 mar in area between 68-00N 73-00N and 015-00E 020-00E

HYDROLANT 430/04

What this record establishes

Archived notice · 2004-03-25 00:00Z

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 100/04 161442Z MAR 04; WZ 384/04 151624Z MAR 04; WZ 386/04 151741Z MAR 04. Issued 2004-03-16 15:25Z. 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.

Related notices and cancellation links

issued
2004-03-16 15:25Z
status
Archived notice
authority
NAVAREA I 100/04 161442Z MAR 04; WZ 384/04 151624Z MAR 04; WZ 386/04 151741Z MAR 04
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. GPS JAMMING EXERCISES DAILY 16 THRU 24 MAR
   IN AREA BETWEEN 68-00N 73-00N AND 015-00E 020-00E.
2. CANCEL HYDROLANT 417/04(36) AND 418/04(35), AIDS RESTORED.
3. CANCEL THIS MSG 25 MAR.

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.
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 2026-10-03 19:17Z; 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.