On Tue, 14 Jul 2009 21:02:27 -0700, NI7T wrote: >any help would be appreciated Try another RTTY program. N1MM with MMTTY has NO problem generating and reading RTTY with my eight year old IBM Thinkpad, nor with any other computer I've used to do the same thing, and I've used it with several rigs (K3, TS850, FT1000MP). 73, Jim K9YC