Nav aids
GPS satellite system
United States-southeast Coast · NAVAREA IV 488/10
- issued
- 2010-12-03 21:26Z
- status
- cancelled 2010-12-10 22:45Z (archive)
- self-cancels
- 2010-12-10 22:45Z
- authority
- COGARD NAVCEN 1161/10 291205Z NOV 10.
- sea
- North Atlantic Ocean
- position
- 30.818, -80.470 · r 160.0 nm
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
UNITED STATES-SOUTHEAST COAST. GPS SATELLITE SYSTEM. 1. GPS UNRELIABLE 1900Z TO 2145Z DAILY 03 THRU 10 DEC WITHIN 160 MILES OF 30-49.09N 080-28.18W. 2. CANCEL THIS MSG 102245Z DEC.
Activity windows · 8 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2010-12-03 19:00Z | 2010-12-03 21:45Z | — | 2 h 45 |
| 2010-12-04 19:00Z | 2010-12-04 21:45Z | — | 2 h 45 |
| 2010-12-05 19:00Z | 2010-12-05 21:45Z | — | 2 h 45 |
| 2010-12-06 19:00Z | 2010-12-06 21:45Z | — | 2 h 45 |
| 2010-12-07 19:00Z | 2010-12-07 21:45Z | — | 2 h 45 |
| 2010-12-08 19:00Z | 2010-12-08 21:45Z | — | 2 h 45 |
| 2010-12-09 19:00Z | 2010-12-09 21:45Z | — | 2 h 45 |
| 2010-12-10 19:00Z | 2010-12-10 21:45Z | — | 2 h 45 |
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
151 within 180 nm since 1996 · 1 in the last 12 months · 2 in force now
96
00
05
10
15
20
25
26
- Broadcast and communication services unreliable at uscg remote communication facilities: a. boston 41-43.00N…2026-07-03
- Messaging services unavailable at uscg remote communication facilities: a. boston (f) 41-42.00N 070-30.30W2025-06-13
- NAVTEX station charleston (e) 32-08.00N 081-42.00W unreliable2024-05-07
- Mf, hf, and dsc services unreliable 241300Z to 241800Z apr at uscg remote communication facilities: a.…2024-04-23
- Mf, hf and dsc services off air 221300Z to 221800Z apr at uscg remote communication facilities: a. boston…2024-04-18
- Mf, hf, and dsc services unreliable 141400Z to 141500Z mar at uscg remote communication facilities: a.…2024-03-12
Season · when aids-to-navigation notices happen here
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month of issue, all years in the archive
Nearby now · within 120 nm
Nothing else in force within 120 nm.
Worldwide now
193 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.