Appreciate the response searcher99. Cleared up a lot of things - thank you.

There was no cover letter directing me to the calibration certificate but I just checked the tuning fork numbers and unfortunately they do match.

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He states that he tested the unit at the beginning and end of his shift. You can get his shift schedule for that day via a public records request. It’s possible that his shift ended well after midnight and he electronically signed/submitted the statement before midnight. If so his end-of-shift testing statement would be false and you could move to suppress the radar evidence.
The statement was written one day after the incident - so there's no point in checking the end of shift time correct?


I suppose my argument now is speed alone is not sufficient proof and the officer has nothing else in his statement besides speed. Is there a specific way I should be formulating this? I read about "pre-trial" motions, etc - when should I be bringing this up?

One more question - if my argument is there is no proof of negligent driving, would the prosecutor lower the charge to speeding? Or will they have to drop it altogether?