Thread: Supersonic Heterodyne radio 1920's.
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Old 9th Mar 2018, 2:02 pm   #16
vinrads
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Join Date: Feb 2009
Location: Chesterfield, Derbyshire, UK.
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Default Re: Supersonic Heterodyne radio 1920's.
Hi Martin I think I need to draw the schematic out ,so people can see what's happening ,Mick.
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