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Old 07-26-2013, 10:31 AM   #6
wa8yxm
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Join Date: Nov 2007
Location: Mobile, on the road
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Used to have an audio frequency generator where the speaker, if held directly to the microphone on a standard desk telephonbe, could hit 18 Bells. (180db)

I kept thinking that might be a handy tool for those callers.
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