And the ST6 was a RTTY unit from Hal Devices. I just didn't know of the Cajun links, no wonder they were great to fiddle around with. 73, Bob K2TK David Cutter wrote: > Here's a site that will show you K1 thro K8 and some KXs, some > connection with communications :-) > > http://www.redphonebox.info/history.htm > > David > G3UNA > >