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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.

2019 Outages | 2018 Outages | 2017 Outages 

Date MJD Began (UTC) Ended (UTC) Antenna Configuration Radiated Power
07 October 2020 59129 1956 2051 South 30kW
07 October 2020 59129 1631 1811 North 30kW
24 February 2020 58903 1633 1713 South 30kW
28 March 2020 58936 1341 2038 South 30kW
28 March 2020 58936 2038 2156 North 30kW
30 March 2020 58938 1332 1931 South 30kW
30 March 2020 58938 1931 2244 North 30kW
31 March 2020 58939 1342 1954 North

30kW

31 March 2020 58939 1954 2213 South 30kW
27 April 2020 58966 0430 1237 South 30kW
01 May 2020 58970 0333 1238 South 30kW
11 June 2020 59011 1420 2009 North 30kW
14 June 2020 59014 0917 1329 North 30kW
17 June 2020 59017 0942 1458 South 30 kW
18 June 2020 59018 1558 1711 North 30 kW
17 July 2020 59047 1153 1324 North 30 kW
Created December 5, 2016, Updated October 8, 2020