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2013 WWVB Broadcast Outages
During normal operation, the 60 kHz signal from WWVB is transmitted 24 hours per day, 7 days a week. The table includes periods when the signal was off or intermittent for more than 5 minutes.
Date | MJD | Began (UTC) | Ended (UTC) |
|---|---|---|---|
| 17 November 2013 | 56613 | 1911 | 2007 |
| 17 November 2013 | 56613 | 1450 | 1550 |
| 01 November 2013 | 56597 | 0404 | 0453 |
| 30 October 2013 | 56595 | 0752 | 0917 |
| 12 September 2013 | 56547 | 0206 | 0333 |
| 02 September 2013 | 56537 | 1231 | 1354 |
| 29 August 2013 | 56533 | 1050 | 1220 |
| 21 August 2013 | 56525 | 0225 | 0350 |
| 18 August 2013 | 56522 | 1926 | 2035 |
| 03 August 2013 | 56507 | 2116 | 2248 |
| 22 July 2013 | 56495 | 1111 | 1227 |
| 20 July 2013 | 56493 | 2043 | 2137 |
| 30 June 2013 | 56473 | 0735 | 0838 |
| 29 June 2013 | 56472 | 0152 | 0345 |
| 28 June 2013 | 56471 | 0813 | 0928 |
| 16 June 2013 | 56459 | 2035 | 2153 |
| 16 June 2013 | 56459 | 0035 | 0129 |
| 29 May 2013 | 56438 | 0202 | 0305 |
| 25 May 2013 | 56437 | 0155 | 0904 |
| 06 April 2013 | 56388 | 1215 | 1315 |
| 16 March 2013 | 56357 | 0906 | 1012 |
Created February 17, 2016, Updated January 27, 2026