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Re: ultrasonic

Subject: Re: ultrasonic
From: "stoatwizard" stoatwizard
Date: Wed Aug 1, 2007 1:31 pm ((PDT))
--- In  "stocklyo" <> 
wrote:
> problem they are too expensive , and i'm looking for more than 200khz 
> frequency , my point is to record sounds in the field that we dont 
> hear not specificly of animals but generaly

I'm intrigued. What creatures make a sound of much more than 120kHz?





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