Re: Outside mic

["werainey" <>]

Bill Evans has directions for assembling a mono DIY 
microphone (Radio shack capsule or Knowles hearing aid 
electret) on his nocturnal flight call monitoring web site 
(http://www.oldbird.org).
Bill Rainey

--- In  "Rich Peet" 
<> wrote:
> Yes I designed one for full year round outside use.  I put it out 
on 
> the internet about 16 months ago.  It was called the "hemi".  
Build 
> cost was about $8-$15 total US $.
> 
> There was not a lot of interest.  I built about 15 and still have 
> some around for capture of migration of birds by call notes.  I 
had a 
> mono and stereo version.  I will look for the photos and 
diagrams and 
> e-mail them about wednesday if they still exsist.  I am going to 
bed 
> now and heading out recording in a few hours.
> 
> Rich
> 




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