At 01:36 AM 5/17/2007, you wrote: >It has been long usual to define the frequency of an RTTY signal as the >RF frequency of the mark tone. And so on.
Really ? In my 37 years I have always seen it given as dial frequency. Reason: RTTY has fixed tones - never changes. Therefore if you give the dial frequency there is no math to be done just tune and go. You will be right on.
