"...Wondering what the concensus might be on this. With the Inrad filters and mods, Tcxo and minimal phase noise, this rig gets my vote as the best TT rig ever!..." Don't know if you're referring to CW mode, but the 6+ has a known extremely fast rise time on its leading edge waveform, and many have an infamous 'micro-chirp' issue. 73, Roy K6XK