"Morrow, Michael A." wrote: > > I'd love to hear what the CW signal sounds like from a dynamotor-powered > SCR-274-N (or ATA or AN/ARC-5) transmitter that is being keyed by the B+ > keying relay in the modulator, as designed.... Believe it or not, most of mine sound pretty darn good. I'll see if I can get one of my sets hooked back up and make a .wav of it. Dave S.