March 10th 07, 03:21 PM
posted to rec.radio.amateur.homebrew,sci.electronics.design
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First recorded activity by RadioBanter: Jul 2006
Posts: 54
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Detecting Ultrasound
On a sunny day (10 Mar 2007 05:18:34 -0800) it happened
wrote in
.com:
Hi chaps,
Google 'bat detector'.
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