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 |