YO8CDQ
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@ut4ubz, Yes, everyone knows that the triac produces interference in the radio spectrum.
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@CНиколай, Put ferrite pearls on the 230 volt power cable, at the input and at the output. It is also possible to feed the tube filaments with 6,3 volts DC direct current.
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@UR1088SWL, A UV5-R is popular, it is relatively cheap but you must have a spare battery.