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From: \&quot;Verfuss Ursula\&quot; &lt; <>
Date: Mon, 09 Aug 2004 12:07:34 -0700
 Subject: in-water damping material
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 Could please anyone give me hints on what damping material to use (easy
 to obtain, cheap) for avoiding or attenuating high frequency echoes in a
 small water filled pool? I'd like to calibrate hydrophones in a rather
 small pool (1m x 0.5 m x 0.5 m) with a series of short (~150 =B5sec) high
 frequency (~130 kHz) pulses, and would like to cover the bottom and sides
 of the pool with damping material, but don't know what is best to use.
 I do appreciate any help!
 Thanks a lot,
 Ursula Verfuss
 Deutsches Meeresmuseum
 German Oceanographic Museum
 Ursula Verfu=DF
 Katharinenberg 14/20
 18439 Stralsund
 phone: +49 (0)3831-2650-390
 fax: +49 (0)3831-2650-249

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