Other
Prn 21 unusable 151115Z to 152315Z feb
GPS Satellite System · HYDROARC 21/11
- issued
- 2011-02-10 17:40Z
- status
- cancelled 2011-02-16 00:15Z (archive)
- self-cancels
- 2011-02-16 00:15Z
- authority
- COGARD NAVCEN GPS 83/11 101614Z FEB 11.
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
GPS SATELLITE SYSTEM. 1. PRN 21 UNUSABLE 151115Z TO 152315Z FEB. 2. CANCEL THIS MSG 160015Z FEB.
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2011-02-15 11:15Z | 2011-02-15 23:15Z | — | 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.