Broadcast Outages for WWV and WWVH

Return to WWV/WWVH Home

The tables below show the date and times when NIST Radio Stations WWV and WWVH were off the air. During normal operation the signals are available 24 hours per day, 7 days a week. The tables list all outages since January 1, 2000 that lasted for more than 5 minutes.

WWV Broadcast Outages

Date	MJD	Began (UTC)	Ended (UTC)	Frequency
01-01-2009	54832	0504	0615	2.5, 5, 10, 15, 20 MHz
01-22-2008	54487	1735	2100	2.5 MHz
09-18-2007	54361	1502	1534	2.5, 5, 10, 15, 20 MHz
06-17-2007	54268	----	0056	2.5, 5, 10, 15, 20 MHz
06-16-2007	52267	2154	----	2.5, 5, 10, 15, 20 MHz
05-07-2007	54227	1544	2149	2.5, 5, 10, 15, 20 MHz
11-01-2004	53310	0340	0440	20 MHz
12-01-2003	52974	2126	2131	10 MHz
12-01-2003	52974	2126	2131	5 MHz
09-22-2002	52539	0640	0725	20 MHz
11-19-2001	52232	---	1600	10 MHz
11-17-2001	52230	2200	---	10 MHz
10-13-2001	52195	1835	1910	5 MHz
11-03-2000	51851	0700	1400	20 MHz
09-24-2000	51811	1010	1105	10 MHz
06-26-2000	51721	2315	2340	20 MHz
01-18-2000	51551	0000	1400	20 MHz

WWVH Broadcast Outages

Date	MJD	Began (UTC)	Ended (UTC)	Frequency
08-21-2008	54699	1935	2003	15 MHz
01-30-2007	54130	0809	0907	10 MHz
01-16-2007	54116	2034	2048	10 MHz
01-16-2007	54116	0740	1703	10 MHz
04-03-2006	53828	0303	0308	5 MHz
02-07-2006	53773	1612	1731	5 MHz
11-10-2005	53684	1534	1540	5 MHz
01-15-2004	53019	2300	2306	2.5 MHz
08-08-2003	52859	1311	1542	2.5 MHz