I had noticed this also, fairly new with VarAC and love the mode. Honestly, I thought it was me in that I didn't have something set up correctly.

Ok, that is what I thought, thanks!!

I have a GPS dongle on my PC and I'm using NMEATime2 to discipline my PC clock for FT8 etc. Some PCs have good clocks, and some, like mine wonders all over the place rather quickly. If I set VarAC to read the GPS, will it interfere with NMEATime2 as there would be a port conflict?