What reliable test for accuracy was established in the case of State v. Tomanelli?

The case of State v. Tomanelli established the use of tuning forks as a reliable test for the accuracy of radar devices used in speed enforcement. Tuning forks are specifically designed to emit a frequency that corresponds with a known speed. When the radar device is tested with these forks, it should register the expected speed if it is functioning correctly. This method provides a straightforward and effective means of verifying the radar's accuracy by creating a controlled testing environment in which the expected outcomes are predetermined.

In contrast, other methods such as calibration using a computer or visual assessments do not provide the same level of precise verification. While periodic maintenance checks are important for ensuring the ongoing functionality of radar equipment, they may not specifically test accuracy in the same direct way that tuning forks do. Therefore, the tuning fork method remains a cornerstone in establishing the reliability of radar data as highlighted in the outcome of the Tomanelli case.