Commonwealth v. Corbett

Concurring Opinion by

Montgomery, J.:

Appellant was convicted in the Quarter Sessions Court of Clearfield County of driving his automobile 68 miles per hour in a zone wherein the limit was established at 55 miles per hour for passenger cars and 45 miles per hour for trucks. His speed had been de*302termined by a Model S5 radar speed measuring device manufactured by Eastern Industries Corporation.

Appellant asserts four reasons for overturning Ms conviction. First, he contends that there is no evidence to establish the effective range of the device or its location at the time the reading was taken.…