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#20
March 31st 07, 10:41 PM
posted to rec.radio.shortwave
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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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