Re: Hydrophones

["John Hartog" hartogj]

Thanks Bernie,

That must have been a fun class. The plastic eggshell design looks like 
a good place to start for a DIY hydrophone.  Anyone have suggestions 
where to find instructions on how to build one?

John Hartog

> Alternatively, hydrophones are very easy to make. 
> www.pmel.noaa.gov/vents/acoustics/outreach/satacademy.html
> 
> A certified technophobe, I've made several. And they work!
> 
> Bernie Krause
>