What does SSR stand for?

Simple Sequence Repeat

Social Security Rulings

sympathetic skin response test

Society for the Study of Reproduction

Sudomotor skin response

Shop Support Request

Staff Support Room

Station Set Requirement

Secondary Surveillance Radar

Is a radar system used in air traffic control (ATC), that not only detects and measures the position of aircraft, i.e. bearing and distance, but also requests additional information from the aircraft itself such as its identity and altitude.

System Spec Review