[TangerineSDR] December 1956 Popular Electronics article on Whistlers

Jonathan emuman100 at gmail.com
Tue Jul 11 12:07:02 EDT 2023

Here is a December 1956 article in Popular Electronics about whistlers with
a makeshift VLF antenna, mains hum filter, and preamp/amp for listening to
the VLF band in 1956! You can read the article here
<https://worldradiohistory.com/Archive-Poptronics/50s/56/Pop-1956-12.pdf> on
PDF pages 39-41.

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