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Old 6th May 2020, 8:34 pm   #3
Philips210
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Join Date: May 2007
Location: Redruth, Cornwall, UK.
Posts: 2,580
Default Re: VLF Receiver for Steroids, Whistlers, Dawn Chorus, etc?

Hi.

It's worth a look on the Techlib website, particularly here http://www.techlib.com/electronics/VLFwhistle.htm There are a number of different circuits there.

I built the VLF receiver featured in Practical Electronics, October 1979 but haven't tested it yet as I need to build the associated aerial. I will get around to that hopefully this year. PE magazines can be found on the ARH website.

Another interesting project which I hope to build was in EPE magazine, April 2003. That was an Atmospherics Monitor. This can again be found on ARH.

Regards,
Symon

EDIT: MM beat me to it with the Techlib link
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