Nav aids
GPS jamming exercises 0830Z to 1600Z daily 20 thru 25 mar and 0730Z to 1500Z daily 26 thru 31 mar in areas…
Irish Sea · North Channel · Scotland · HYDROLANT 569/23
- issued
- 2023-03-15 18:43Z
- status
- cancelled 2023-03-31 16:00Z (archive)
- self-cancels
- 2023-03-31 16:00Z
- authority
- WZ 194/23 151801Z MAR 23.
- sea
- Irish Sea and St. George's Channel
- position
- 54.833, -4.933 · r 22.0 nm
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
IRISH SEA. NORTH CHANNEL. SCOTLAND. DNC 20. 1. GPS JAMMING EXERCISES 0830Z TO 1600Z DAILY 20 THRU 25 MAR AND 0730Z TO 1500Z DAILY 26 THRU 31 MAR IN AREAS WITHIN 22 MILES OF 54-50N 004-56W. 2. CANCEL THIS MSG 311600Z MAR 23.
Activity windows · 12 in the telegram
| opens (UTC) | closes (UTC) | local (UTC) | length |
|---|---|---|---|
| 2023-03-20 08:30Z | 2023-03-20 16:00Z | Mar 20, 08:30 → Mar 20, 16:00 | 7 h 30 |
| 2023-03-21 08:30Z | 2023-03-21 16:00Z | Mar 21, 08:30 → Mar 21, 16:00 | 7 h 30 |
| 2023-03-22 08:30Z | 2023-03-22 16:00Z | Mar 22, 08:30 → Mar 22, 16:00 | 7 h 30 |
| 2023-03-23 08:30Z | 2023-03-23 16:00Z | Mar 23, 08:30 → Mar 23, 16:00 | 7 h 30 |
| 2023-03-24 08:30Z | 2023-03-24 16:00Z | Mar 24, 08:30 → Mar 24, 16:00 | 7 h 30 |
| 2023-03-25 08:30Z | 2023-03-25 16:00Z | Mar 25, 08:30 → Mar 25, 16:00 | 7 h 30 |
| 2023-03-26 07:30Z | 2023-03-26 15:00Z | Mar 26, 07:30 → Mar 26, 15:00 | 7 h 30 |
| 2023-03-27 07:30Z | 2023-03-27 15:00Z | Mar 27, 07:30 → Mar 27, 15:00 | 7 h 30 |
| … 4 more | |||
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
This area · aids-to-navigation notices
1999 within 180 nm since 1998 · 3 in the last 12 months · 3 in force now
98
00
05
10
15
20
25
26
- Mew island light 54-41.90N 005-30.80W unreliable2026-08-11
- Mf dsc service off air at tiree 56-30.20N 006-57.80W2026-08-08
- Mf dsc and r/t services off air at: a. bawdsey 51-59.60N 001-24.50E2026-08-01
- NAVTEX station cullercoats (g) 55-04.00N 001-28.00W unreliable 0800Z to 1500Z daily 07 thru 09 may2024-05-06
- Dsc services at glengorm site 56-37.90N 006-08.00W off air2024-04-29
- Isle of man light 54-03.70N 004-48.00W unlit2024-04-25
Season · when aids-to-navigation notices happen here
J
F
M
A
M
J
J
A
S
O
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D
month of issue, all years in the archive
Nearby now · within 120 nm
- Mew island light 54-41.90N 005-30.80W unreliableNav aids · 21.7 nm
Worldwide now
195 aids-to-navigation notices in force · see all
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.