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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.

2020 Outages2019 Outages | 2018 Outages | 2017 Outages 

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

Radiated Power (kW)

07 September 2021 59464   1320 South 30
06 September 2021 59463 0340      
19 July 2021 59414 1559 1634 North 30
15 July 2021 59410 1603 1951 South 30
15 July 2021 59410 1537 1603 North 30
14 July 2021 59409 1255 1726 South 30
13 July 2021 59408 1338 1453 North 30
12 July 2021 59407 1417 2259 North 30
02 June 2021 59367 0448 1301 South 30
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
Created December 5, 2016, Updated September 9, 2021