Nav aids
GPS satellite system
Western North Atlantic · Florida-east Coast · NAVAREA IV 301/10
- issued
- 2010-07-10 00:58Z
- status
- cancelled 2010-07-20 00:45Z (archive)
- self-cancels
- 2010-07-20 00:45Z
- authority
- COGARD NAVCEN 092201Z JUL 10.
- sea
- North Atlantic Ocean
- position
- 31.625, -78.240 · r 325.0 nm
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
WESTERN NORTH ATLANTIC. FLORIDA-EAST COAST. GPS SATELLITE SYSTEM. 1. GPS UNRELIABLE 2100Z TO 2345Z DAILY 14 THRU 19 JUL WITHIN 325 MILES OF 31-37.500N 078-14.376W. 2. CANCEL THIS MSG 200045Z JUL.
Activity windows · 6 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2010-07-14 21:00Z | 2010-07-14 23:45Z | — | 2 h 45 |
| 2010-07-15 21:00Z | 2010-07-15 23:45Z | — | 2 h 45 |
| 2010-07-16 21:00Z | 2010-07-16 23:45Z | — | 2 h 45 |
| 2010-07-17 21:00Z | 2010-07-17 23:45Z | — | 2 h 45 |
| 2010-07-18 21:00Z | 2010-07-18 23:45Z | — | 2 h 45 |
| 2010-07-19 21:00Z | 2010-07-19 23:45Z | — | 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
125 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
Timeline
- GPS satellite systemcancelled by · 2010-07-19
Nearby now · within 120 nm
- Hazardous operations, rocket launching 160102Z to 160220Z aug, alternate 170045Z to 170203Z, 180031Z to…Missiles · 43.3 nm
- Broadcast and communication services unreliable at uscg remote communication facilities: a. boston 41-43.00N…Nav aids · 67.2 nm
- Hazardous operations, rocket launching 101449Z to 101931Z aug, alternate 111426Z to 111908Z, 121404Z to…Missiles · 104.7 nm
- Messaging services unavailable at uscg remote communication facilities: a. boston (f) 41-42.00N 070-30.30WNav aids · 118.1 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.