Other
Prn 20 unusable 161700Z to 170500Z dec
GPS Satellite System · NAVAREA XII 479/14
- issued
- 2014-12-11 06:44Z
- status
- cancelled 2014-12-17 06:00Z (archive)
- self-cancels
- 2014-12-17 06:00Z
- authority
- COGARD NAVCEN GPS 87/14 041704Z DEC 14.
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
GPS SATELLITE SYSTEM. 1. PRN 20 UNUSABLE 161700Z TO 170500Z DEC. 2. CANCEL THIS MSG 170600Z DEC 14.
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2014-12-16 17:00Z | 2014-12-17 05:00Z | — | 12 h |
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
Nearby now · within 120 nm
Nothing else in force within 120 nm.
Worldwide now
34 other warnings in force · see all
Other
Everything the classifier did not place elsewhere. All current other warnings →
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.