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WWVB Antenna Configuration and Power

Notice for March 9-April 9, 2021

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.

2019 Outages | 2018 Outages | 2017 Outages 

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

Radiated Power (kW)

10 April 2021 59314 2241 2334 South 30
31 March 2021 59304 1555 2228 South

30

31 March 2021 59304 1428 1520 North 30
29 March 2021 59302 1947 2210 North 30
26 March 2021 59299 1624 2123 North 30
25 March 2021 59298 1547 1554 South 30
25 March 2021 59298 1535 1547 North 30
25 March 2021 59298 0812 1500 North 30
23 March 2021 59296 1401 2240 North 30
23 March 2021 59296   0050 South 30 
22 March 2021 59295 1432      
22 March 2021 59295   1432 North 30 
18 March 2021 59291 1342      
17 March 2021 59290 2004 2128 North 30 
12 March 2021 59285 2030 2347 North 30 
12 March 2021 59285 1542 2029 South 30 
11 March 2021 59284 1742 2325 South 30 
09 March 2021 59282 1807 2139* South 30 
11 February 2021 59256 1410 1835 North 30
28 December 2020 59211 2343 2357 North 30
24 December 2020 59207 1830 2009 North 30
21 December 2020 59204 1539 1604 North 30
21 December 2020 59204 1431 1537 South 30
07 October 2020 59129 1956 2051 South 30
07 October 2020 59129 1631 1811 North 30
24 February 2020 58903 1633 1713 South 30
28 March 2020 58936 1341 2038 South 30
28 March 2020 58936 2038 2156 North 30
30 March 2020 58938 1332 1931 South 30
30 March 2020 58938 1931 2244 North 30
31 March 2020 58939 1342 1954 North

30

31 March 2020 58939 1954 2213 South 30
27 April 2020 58966 0430 1237 South 30
01 May 2020 58970 0333 1238 South 30
11 June 2020 59011 1420 2009 North 30
14 June 2020 59014 0917 1329 North 30
17 June 2020 59017 0942 1458 South 30 
18 June 2020 59018 1558 1711 North 30 
17 July 2020 59047 1153 1324 North 30 
Created December 5, 2016, Updated April 12, 2021