brief demo showing the REMOTE Pi4 VLF TRANSMITTER setup and a laptop soundcard SDR receiver using its own FERRITE LOOPSTICK ANTENNA to pick up the VLF signal from the remote PI's transmitter's loop antenna located in the other room
soundcard SDR modules are from RECRI KEYER https://github.com/recri/keyer
VLF RF over iP by GSTREAMER UDP/rtp L24 scripts https://gstreamer.freedesktop.org/download/
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