SDR Software: SdrDX (https://fyngyrz.com/?p=915), CubicSDR
rtl sdr range: 500 kHz - 1.75 GHz.
Cubic SDR LSB + Fldigi = decode data (tones) into text or even fax (Op Mode / WEFAX / WEFAX-IOC576)
Time Signal DCF77 (77khz, out of range)
Audio Redirecting OSX
- Jack Audio Connection Kit (JACK)
-> DOENST seems to 12/2019 work
See https://jackaudio.org/
brew install jack
To have launchd start jack now and restart at login: brew services start jack Or, if you don't want/need a background service you can just run: jackd -d coreaudio
- Loopback (Commercial)
https://cupano.com/2018/04/17/decoding-digital-modes-with-software-defined-radio/ http://qso365.co.uk/2019/01/receiving-weather-fax-pictures-on-hf-using-fldigi/