ISRO Telemetry, Tracking and Command Network
(ISTRAC) provides mission support to low-earth orbit satellites as well as
launch vehicle missions. ISTRAC has its headquarters and a multi-mission
Spacecraft Control Centre at Bangalore. It has a network of ground stations at
Bangalore, Lucknow, Sriharikota, Port Blair and Thiruvananthapuram in India
besides stations at Mauritius, Bearslake (Russia), Brunei and Biak (Indonesia).
ISTRAC activities are organised into network operations, network augmentation,
mission operation and spacecraft health monitoring, communications and
computers and control centre facilities and development projects. Programme
planning and reliability groups support ISTRAC activities.
The Indian Deep Space Network (IDSN), commissioned during the year 2008, at Byalalu village near Bangalore forms the Ground segment for providing deep space support for India's prestigious and first Lunar mission, the Chandrayaan-1.The technical facilities in IDSN include a 32 metre Deep Space Antenna, an 18 metre Antenna Terminal, an 11 metre Antenna Terminal, Indian Space Science Data Centre (ISSDC) and a Technical Services complex.
The IDSN is the first of its kind project in the country that provides ISRO the capability to handle deep space missions of India and also provides cross support to other deep space missions of external space agencies because of its inter-operable features and state-of-the-art capabilities.