Yes... it was a different error. I'll wait out the rain and try again... LIkely, I need to be a little more diligent about the scope's alignment... I was thinking SGP would just cope, but, I was mistaken. (That's not a complaint about SGP, just commentary on my own ignorance.) I won't try to race a thunderstorm, next time.
I will post more logs when I've gotten good data.
Sorry for the trouble; thanks for looking, anyway.
Karl