On Jan 28, 2010, at 4:08 PM, Kok Chen wrote: > TrueTTY says it supports both 7 bit and 8 bit ASCII. (In addition to Baudot and AMTOR codes, FCC Part 97.309(a) only specifies 7-bit ASCII; see 97.309(b) for "other codes."). Black Cat's Multimode supports it on Macs. I just checked, F6CTE's MultiPSK also supports it, and it is free. 73 Chen, W7AY