this post was submitted on 30 Apr 2025
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[–] tal@lemmy.today 5 points 4 days ago* (last edited 4 days ago)

Hmm.

https://en.wikipedia.org/wiki/Droitwich_Transmitting_Station

The long-wave frequency used was 200 kilohertz (frequently referred to by the wavelength, 1,500 metres) until 1 February 1988[13] when it was changed to 198 kilohertz, and the power is currently 500 kilowatts

https://en.wikipedia.org/wiki/List_of_longwave_radio_broadcasters

According to this, there are only three other longwave transmitting stations in the world at least as high-power as this station: one in each of Morocco, Algeria, and Poland. So I guess that it's a pretty esoteric sort of hardware.