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Simple sound card VLF receiver

PostPosted: Tue Apr 11, 2017 10:26 pm
by Harry Dalek
I wanted a VLF receiver for picking up mechanical oscillator experiment HF stepper motor Alternator ..was going to make one but this is accurate as well you can pick up VLF out there old new versions
https://sites.google.com/site/swljo30tb/home/files
https://sites.google.com/site/sm6lkm/saqrx