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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 Outages2020 Outages2019 Outages | 2018 Outages | 2017 Outages 

Date MJD Began (UTC) Ended (UTC) Antenna Configuration

Radiated Power (kW)

19 January 2022 59598 1353 1430 South 30
Created December 5, 2016, Updated January 19, 2022