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Old March 31st 07, 09:41 PM posted to rec.radio.shortwave
David David is offline
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First recorded activity by RadioBanter: Jul 2006
Posts: 837
Default Tracking chips in HD radios

On 31 Mar 2007 11:02:47 -0700, "ve3..." wrote:


In WWII Nazi submarines used TRF receivers as the oscillator in a
superhet put out enough signal that air and naval sub chasers could
home in on the signal and deep-six them.


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