How many different types of radar are there?

The radar measures what is called radial velocity. This is the component of the wind going either toward or away from the radar. There are currently two different types of radar that are being experimented with.

Military radar systems can be divided into three main classes based on platform: land-based, shipborne, and airborne . Within these broad classes, there are several other categories based mainly on the operational use of the radar system.7 Tem 2011

Radars can be classified into the following two types based on the type of signal with which Radar can be operated.

Air traffic control uses primary and secondary radars . Primary radars are a “classical” radar which reflects all kind of echoes, including aircraft and clouds. Secondary radar emits pulses and listens for special answer of digital data emitted by an Aircraft Transponder as an answer.