I've been asked about receiving VLF, like 50khz radio signals so here is a quick bit of my searching...
A good intro to a simple SDR...
and the info to make it...
github.com
Some more info..
Here is an SDR that uses the PC sound card ...
Around 9:50 in this video, there is some very interesting information!
and...
pypi.org
This seems to be a good start.
A good intro to a simple SDR...
GitHub - michalin/easysdr: Super Simple SDR Receiver
Super Simple SDR Receiver. Contribute to michalin/easysdr development by creating an account on GitHub.
github.com
Some more info..
Here is an SDR that uses the PC sound card ...
and...
quisk
QUISK is a Software Defined Radio (SDR) transceiver that can control various radio hardware.
pypi.org
Quisk, A Software Defined Radio (SDR)
Home page for Quisk, a Software Defined radio (SDR)
james.ahlstrom.name
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