This transmitter for the 136KHz, ( 2190m ), band is another of my creations. It is capable of producing 350 watts from four IRF640 power mosfets with a 50V DC power supply. With this transmitter, I was able to complete the first longwave two-way communication ever accomplished in the history of the universe between Poland and Belarus, and Poland and the Czech Republic. Many thanks to my contact partners, Andrei and Ruda, for being at the other end of these historic contacts.
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