I may have missed it at the time, but were any coherent tests / EbNaut type experiments done on 475kHz? And if so, what was the slowest baud rate that mostly-succeeded ? Andy G4JNT
Markus and Domenico on 2015-11-15 8K19A 22 chars 0.3 second symbols. Then some tests with 0.5 seconds 16 chars were successful the next night. Signals were too strong for a good test, too much Eb and