Its impossible for an officer to give you a ticket showing he calibrated the radar after he pulled you over. This would mean the radar gun could read the future and know the radar was to be calibrated at 17:02.
You can set the case for trial and question the officer on the calibration in hopes of getting a dismissal, but outright a prosecutor will not dismiss a ticket because of your questioning of the calibration. You will need to prove at trial that the calibration was incorrect with hard evidence in order to dismiss your ticket.
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