ICAO Document 9684 - Manual of the Secondary

ICAO DOC 9684 Manual on the Secondary Surveillance Radar (SSR) Systems Ed 3

This document provides guidance material on characteristics of the ground stations and airborne transponders of SSR systems which are defined in the Standards and Recommended Practices of Annex 10, Volume IV. It also describes the contribution of SSR as a major system for surveillance purposes in most air traffic control (ATC) systems and the data link capability of the Mode S component to be utilized as part of the aeronautical telecommunication network (ATN).