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DIY Hydrophone That Anyone Can Build
 
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Code: DIYAugust98-DLD.pdf
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Do It Yourself Article: A Twenty-Dollar Hydrophone That Anyone Can Build
Text and photos by Robb Nichols
Sea Kayaker August 1998

Despite being inexpensive, this hyrophone performs well. It can easily be built in an evening using generic parts that can be purchased locally or found around the house. It is also small enough to fit in the pocket of your PFD and simple enough to deploy in seconds.

The digital article is available as a PDF. After you've completed your order you will receive two emails; one is your order confirmation from orders@seakayakermag.com, the other is from Sea Kayaker Magazine (joan@seakayakermag.com) and will have a link to the PDF. If you don't see the emails in your inbox, check your junk/spam folder! Be sure the email arrives - add this email address to your safe sender list/address book. You will have three days to download the PDF before the link expires.


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