i love my AT but it has always run fast but within tollorance. What can I do to make it more accurate?
Have you tried sitting it in different positions overnight to potentially take advantage of any positional variation that might be present?
My UG is 20sec slow a day, i just set it up 60sec ahead on Monday, i know it will be spot on on Wednesday night and 60sec behind on Friday... i would not even notice 5sec a day as I wear a watch for a week max....