Are there different types of radars?

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.

Read more

What is a radar frequency?

A frequency band of microwave radiation within which radars operate . The radar frequency bands were first designated by code letters for secrecy during World War II; these letters are still in common use, although the exact frequency intervals to which they apply have undergone some redefinition.

Read more

What is the radar signal?

A radar system has a transmitter that emits radio waves known as radar signals in predetermined directions. When these signals contact an object they are usually reflected or scattered in many directions, although some of them will be absorbed and penetrate into the target.

Read more