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Hi Brian -

Thanks for your response.? Since you asked, I will provide the logs, however your time would certainly be better spent helping others who have already reached the end of their own troubleshooting.? I certainly dont want to take time away from those would could really use you.? Like my Dad. :)? This was merely a shakedown run, and I haven't had a chance to do any tweaking yet.? With the clouds, I wasn't expecting much.? I didnt even run the calibration in a suitable location,? and I didnt bother running the guiding assistant yet.? When I get some better conditions, I certainly will, but this was just to get a quick and dirty baseline.

Thanks for your document.? I'm familiar with just about all of the stuff you cover in there.? Most of which, I knowingly skipped over or cheated in the interest of beating the heavy clouds.? Since the final gearing ratio of the direct drive G11 (1:360) is reasonably close to my meade LXD650 (1:405) I reused many of the settings and tactics that I learned over the last year with the meade.? Again, willfully cheating in the interest of time.

As for PEC prep, I'm not using it in the normal way.? I'm simply using it as a tool to show the period of the error while guiding, since visually, you can see its very regular.? I just wanted it to clue me in on where the error resides in relation to the worm period.? While yes, some of the guide error is reactionary in nature, there still must be a regularly occurring glitch in the drivetrain.? At 120 seconds, I have to suspect the coupler.? Had it been 240 or 75 seconds, Id suspect the worm or bearings.? Could still be, but for now, I switched out the rigid coupler to a flexible helical coupler to see if things improve next time.

Please don't spend any time analyzing some quick and dirty logs from an unfamiliar control system, especially since it was nothing more than a test run to make sure things were working correctly.?? Truthfully, I'm already quite impressed with the mount having done as well as it did, especially through the clouds.? Diagnosing, tweaking and improving is all part of the fun.? I'll be sure to run guiding assistant next time to see where the native unguided PE lands.? Unguided performance really isn't terribly important for me in particular.? Simply getting any abrupt drivetrain defects down to where they can be guided around is my ultimate goal.? I was mostly just curious if the 119-120 second periodic error rang a bell for anyone.

Thanks again for your help and suggestions,
- (Little) Tony S