Abstract

ISTRAC (ISRO telemetry, tracking and command network) is responsible for providing space operation services that include spacecraft control, telemetry, tracking and command (TTC) services. To qualify as a ground station, the characteristics of every system in the station is to be tested at regular interval of time in regarding its performance specification. The ground station acts as an interface between the satellite and satellite controllers by providing the services and functions namely telemetry, tracking and command collectively called as TTC operation .To carry out the above function effectively a ground station needs to be evaluated for its performance of critical parameters. The main objective of this work is to perform through test on the various systems that constitute the ground station such as the antenna system, receive system, uplink system ,servo control system, ranging and Doppler system, receive system and timing system .The results produced in these test are used to indicate the credibility of the ISTAC ground station.