You are correct. Generally, the police, especially state troopers, will not bring the radar certificate with them to the hearing, and if the defendant asks it to be produced, the admin law judge really won't care too much when it isn't.
You have the right to ask any question you want during cross-examination, and asking whether the officer calibrated his radar before and after his shift is proper. An experienced traffic lawyer will know other questions to ask, based on the specifics of your situation, to try and defeat a speeding ticket.
The above statement is intended for informational purposes only and does not establish an attorney/client relationship.
At trial, your attorney can put the officer through the ringer, insisting that he produce the logs, etc for the radar gun. S/he might even send a demand for disclosure which then prompts a furor of activity. But you'll need a lawyer to do this realistically, so contact a traffic attorney who actually does good trial work vs. just negotiating down....if you're serious.
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My response is for educational purposes and does not constitute legal advice nor creates an attorney client relationship which requires all the details and a personal conference.
That is a traffic violations bureau court and you are forced to plead guilty or go to trial. Retain my firm or a good traffic lawyer to handle the trial and feel; free to call for a consultation. The poilce do not need to provide anything, but it will be an issue for the court to dismiss the charges.