[sdiy] Listening and recording electromagnetic fields

m brandenberg mcbinc at panix.com
Wed Jul 8 23:56:41 CEST 2015

On Wed, 8 Jul 2015, Dan Snazelle wrote:

> Search around for DIY VLF radio project and you can find many many schematics out there for projects which don't take much work

This, in particular, is a popular one:


Monty Brandenberg

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