I don't know if this has been kicked around, but supposedly the Talking House transmitter's ATU, (Antenna Tuning Unit.), is an upgrade from the 2009 version that I have. And, I've had that one rockin' since Thanksgiving 2010.
https://www.theradiosource.com/products/infospot.htm Question is, did they deal with that phantom phasing, that can be heard when putting a receiver in SSB mode? Hmmmm???