The Indian Space Research Organization (ISRO) has a comprehensive network of ground stations to provide Telemetry, Tracking and Command (TTC) support to satellite and launch vehicle missions. These facilities are grouped under ISRO Telemetry, Tracking and Command Network (ISTRAC) with its headquarters at Bangalore, India.

ISRO Telemetry Tracking and Command Network (ISTRAC) is responsible for providing Space Operation services that include spacecraft control, TTC support services and other related projects and services, for the launch vehicle and low earth orbiting spacecraft and deep space missions of ISRO and other space agencies around the world.

Development of RADAR systems for tracking & atmospheric applications and Establishment of Ground Segment Network for Indian Regional Navigation Satellite System of ISRO are the additional responsibilities of ISTRAC.

ISTRAC has TTC ground stations at Bangalore, Lucknow, SHAR (Sriharikota), Thiruvananthapuram, Port Blair Island, Brunei, Biak (Indonesia) and Mauritius, meeting international standards.

The mission of the ISTRAC includes:

• Tracking, commanding and housekeeping data acquisition as well as health analysis and control, orbit and attitude determination and network co-ordination support to all low Earth orbit satellite missions of ISRO throughout their mission life.
• Telemetry data acquisition support for ISRO launch vehicle missions from liftoff until satellite acquisition and down range tracking support for monitoring and determining the satellite injection parameters.
• Coordinating between spacecraft and launch vehicle teams, supporting ground stations right from planning till the completion of mission for the national and international satellite missions.
• Telemetry, tracking and command support for the International satellite launch projects.

Ground Stations

ISTRAC has the following TTC ground stations:
• Hyderabad
• Bangalore
• Lucknow
• Port Blair
• Sriharikota
• Thiruvananthapuram

Telemetry, Tracking and Command (TTC) Stations
• Port Louis, Mauritius
• Bearslake, Russia
• Biak, Indonesia
• Brunei
• Svalbard, Norway
• Troll, Antarctica[

Contact Detail:
ISRO Telemetry Tracking and Command Network (ISTRAC)
Plot No. 12 & 13, 3rd Main, 2nd phase
Peenya Industrial Area
Bangalore – 560 058