Which of the following is a potential drawback of radar speed measurements?

The correct answer indicates that all the listed factors are indeed potential drawbacks of radar speed measurements.

Low resolution can significantly impact the data quality since radar systems can sometimes struggle to provide precise readings, particularly in environments with multiple vehicles or obstructions that may interfere with the radar signal. This can result in inaccurate speed measurements, which detracts from the reliability of the data collected.

Vulnerability to weather conditions is another critical drawback. Radar signals can be affected by rain, fog, or snow, leading to reduced accuracy. For instance, heavy rain can cause the signals to scatter, and fog may diffuse the signals, making it difficult to obtain reliable speed readings. This environmental factor is crucial for operators to consider, especially when making enforcement decisions.

The need for frequent calibration is also a concern. Regular calibration ensures that the radar equipment is functioning correctly and providing accurate measurements. If calibration is neglected, the data obtained can become unreliable over time, leading to potential legal issues regarding speed enforcement.

The acknowledgment of all these factors showcases a comprehensive understanding of the limitations of radar speed measurements, emphasizing the importance of considering these drawbacks in operational practice.