SonoBus i/q Stereo - VLF CW/IP - Morse Code server - on a Raspberry PI 4 - uses LYSDR to demodulate

TEST SETUP to use SonoBus in a LOOPBACK SERVER MODE (you have to mute all contacts but the PI 4 server) https://sonobus.net/

TO SEND VLF RF CW directly, and send in i/q stereo you need a CW KEYER like Recri Keyer https://github.com/recri/keyer

LYSDR is a simple lightweight sound card SDR that demodulates the VLF RF CW signals and converts to them down to AUDIO CW https://github.com/gordonjcp/lysdr

NOTE: operating in STEREO I / Q mode... allows 8 signals 4 below the ZERO and 4 ABOVE zero

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