Dgps inoperative 131200Z to 131400Z jul, at reduced power 131400Z to 211200Z jul and inoperative 211200Z to…
HYDROLANT 1293/09
What this record establishes
Archived notice · 2009-07-13 09:52Z
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 837/09 121256Z JUL 09.. Issued 2009-07-12 13:45Z. 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
- Mrcc stornoway 58-12N 006-22W mf rt off aircancelled by this notice
- Nga chart 36025 (1ST ed)later cancellation notice
Activity windows · 3 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2009-07-13 12:00Z | 2009-07-13 14:00Z | — | 2 h |
| 2009-07-13 14:00Z | 2009-07-21 12:00Z | — | 190 h |
| 2009-07-21 12:00Z | 2009-07-21 14:00Z | — | 2 h |
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
- issued
- 2009-07-12 13:45Z
- status
- Archived notice
- self-cancels
- 2009-07-21 15:00Z
- authority
- WZ 837/09 121256Z JUL 09.
- issued by
- WZ
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
1. DGPS INOPERATIVE 131200Z TO 131400Z JUL, AT REDUCED POWER 131400Z TO 211200Z JUL AND INOPERATIVE 211200Z TO 211400Z JUL. 2. CANCEL HYDROLANT 1281/09(35). 3. CANCEL THIS MSG 211500Z JUL.
Reading this warning
- GNSS / GPS
- Satellite positioning — GPS and other systems — and the testing, jamming and interference that make it unreliable in an area.
- 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.
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 21:22Z; 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.