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WWVB Antenna Configuration and Power
During normal operation WWVB transmits an effective radiated power of 70 kW from two antennas. For maintenance purposes, WWVB sometimes operates on a single antenna or reduced power. The table below reflects this information.
* indicates that an outage or outages occurred during this period, see the WWVB Broadcast Outage web page.
2021 Outages | 2020 Outages | 2019 Outages | 2018 Outages | 2017 Outages
| Date | MJD | Began (UTC) | Ended (UTC) | Antenna Configuration |
Radiated Power (kW) |
|---|---|---|---|---|---|
| 24 April 2022 | 59693 | 0132 | Dual | 40 | |
| 23 April 2022 | 59692 | 1906 | Dual | 40 | |
| 09 March 2022 | 59647 | 1055 | 1322 | North | 30 |
| 04 March 2022 | 59642 | 0631 | 1406 | South | 30 |
| 19 February 2022 | 59629 | 1024 | 1700 | North | 30 |
| 19 January 2022 | 59598 | 1353 | 1430 | South | 30 |