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Broadcast Outages for WWVB

WWVB Home Most Recent Outages

During normal operation, the 60 kHz signal from WWVB is transmitted 24 hours per day, 7 days a week. The table includes periods since January 1, 2004 when the signal was off or intermittent for more than 5 minutes.

Date MJD Began (UTC) Ended (UTC)
12-07-2004 53346 1242 1329
11-01-2004 53310 0340 0433
09-02-2004 53250 0612 0736
08-06-2004 53223 2243 2258
07-09-2004 53195 1121 1154
07-05-2004 53191 1917 2004
07-04-2004 53190 1915 2025
06-08-2004 53164 0945 1045
03-06-2004 53070 1346 1500
01-02-2004 53006 1018 1113
01-01-2004 53005 1232 1328