In the first part of Radar School, Chief Meteorologist Michael Bohling explains how radar works, its benefits and drawbacks, and the future of radar technology.

BSD stands for blind-spot detection, a safety tech that uses various sensors to detect other vehicles in a car's blind spot and then alert the driver.

An onboard Radar Warning Receiver works to identify the source of a signal by displaying the azimuth, as additional info is displayed about the signal's origin.