hf digital modes

  1. K

    850 HZ RTTY--But Can't Decode

    Last night, I was scanning through HF and kept hearing what sounded like 850-hz RTTY. It must have been on 10-12 different frequencies. I think I heard it on 3.925 and 6.750, but whenever I try to decode it I can never seem to decode it. I have tried MixW and Fldigi. I was connected online...