Soft 404
rpitx indeed is great, actually it is developed from pifm what was already out 10 years ago and developed by by Oliver Mattos and Oskar Weigl. I made a SSTV transmitter with pifm back in 2014:
Raspberry Pi Slow Scan Television (SSTV) Camera
and:
https://www.agri-vision.nl/portal/projects/7-raspberry-pi-sstv-camera
rpitx indeed is great, actually it is developed from pifm what was already out 10 years ago and developed by by Oliver Mattos and Oskar Weigl. I made a SSTV transmitter with pifm back in 2014:
Raspberry Pi Slow Scan Television (SSTV) Camera
and:
https://www.agri-vision.nl/portal/projects/7-raspberry-pi-sstv-camera