The Defendant appealed the trial judge’s decision to sustain the charged violations of R.I.G.L. 1956 § 31-14-2 (prima facie limits), § 31-16-5 (turn signal required), and § 31-22-22 (safety belt use – child restraint). The Panel held that the trial judge erred in upholding the speeding charge because, although the Officer testified that his radar unit had been properly calibrated, he failed to testify that he was qualified to operate the radar unit. Accordingly, the Panel dismissed the speeding violation.