TimeFlipper
Senior Member
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What do you think this radio signal is, or is it just more Russian disinformation carried out since the 1970`s?.
Your frequency doubler is for Audio frequencies Cousin Cobber...You cant stick it into the antenna input of a radio and hope to double its RF signal..no dont have any of them but have seen some old ones around in the 70s ,hey do you think a frequency doubler could be used to double the receiving frequency of a radio so you can receive more reception way outside its maximum receiving range