Nav aids

GPS satellite system

Eastern North Pacific · California · NAVAREA XII 278/12

issued
2012-10-26 23:24Z
status
cancelled 2012-10-31 16:00Z (archive)
self-cancels
2012-10-31 16:00Z
authority
CCGD11 541/12 261421Z OCT 12.
sea
North Pacific Ocean
position
31.667, -119.083 · r 185.0 nm
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

EASTERN NORTH PACIFIC.
CALIFORNIA.
GPS SATELLITE SYSTEM.
1. GPS UNRELIABLE 1300Z TO 1500Z DAILY
   27 OCT THRU 31 OCT WITHIN 185 MILES
   OF 31-40-00N 119-04-59W.
2. CANCEL THIS MSG 311600Z OCT 12.

Activity windows · 5 in this warning

opens (UTC)closes (UTC)locallength
2012-10-27 13:00Z2012-10-27 15:00Z2 h
2012-10-28 13:00Z2012-10-28 15:00Z2 h
2012-10-29 13:00Z2012-10-29 15:00Z2 h
2012-10-30 13:00Z2012-10-30 15:00Z2 h
2012-10-31 13:00Z2012-10-31 15:00Z2 h

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

137 within 180 nm since 1998 · 0 in the last 12 months · 1 in force now

98
00
05
10
15
20
24

Season · when aids-to-navigation notices happen here

J
F
M
A
M
J
J
A
S
O
N
D

month of issue, all years in the archive

Nearby now · 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.