ISRO Telemetry, Tracking and Command Network
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The Indian Space Research Organisation (ISRO), over the years, has established a comprehensive global 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)[not verified in body] with its headquarters at Bangalore, India.
ISTRAC has several facilities as of November 2013:
- ISTRAC facilities in Bangalore consists of TTC ground station (BLR) with full redundancy multi-mission Spacecraft Control Center to carryout and control spacecraft operations and co-ordinate with the network stations. Computer facility with distributed architecture providing independent processors for communications handling, dedicated processors to provide real-time displays for individual spacecraft missions and off-line processors for carrying out spacecraft data archival, analysis and orbit determination.
- Communication Control facility to establish links between SCC and ISTRAC network stations as well as control centers of other participating external space agencies and data receptions stations through dedicated voice, data and TTY links.
- Limited TTC facility to provide on orbit operational support to INSAT satellites as back up to Master Control Facility at Hassan.
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.
ISTRAC has the following TTC ground stations:
- Bangalore, also hosts the Indian Spacecraft Control Centre
- Port Blair
- Port Louis, Mauritius
- Bearslake, Russia
- Biak, Indonesia
- Svalbard, Norway
- Troll, Antarctica
- Gatun Lake, Panama
- Indian Deep Space Network
- European Space Tracking
- NASA Deep Space Network
- Near Earth Network
- Space Network
- "Indian Deep Space Network (IDSN)". ISRO. Retrieved 17 January 2013.
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