Hi Bob,
Actually, you are correct about annual Ione in October. However over the past decade or so we use to do our yearly big meetup in September. Last year we delayed and got off kilter by a month on schedule combined the "yearly" with Ione. I'm attempting something together for our yearly and at the request of some of the folks who were down in Monterey last week from the CV region. A few there have been asking to connect with NorCal for a while now on some sort of joint meetup. The best option might be to do both, maybe September somewhere closer to CV/Bay, and the annual meetup in Ione in October.
We might not do Ione in September if we can come up with something closer between us and Central Valley; and pending any feedback from the bay are folks to see if they want to do something in the middle of us, CV, and the Bay. I'm waiting for Alan D. and some of the guys down there to get back to us in CV. Sort of depends if anyone responds or wants to do our yearly again; or not.