Before I get into the list of problems I’m having using WSJT-X FT8 on my K3S, I’d like to know: 1. Is the automatic clock setting in my Mac mini (running Sierra, 10.12) good enough for modes like JT65 and FT8? 2. If not, what’s a good reliable time sync app I can download and use? Cheers! Richard Kunc — W4KBX