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The Indian Space Research Organization (ISRO), over the years, established 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. ==Facilities== 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 INSAT Master Control Facility at Hassan. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「ISRO Telemetry, Tracking and Command Network」の詳細全文を読む スポンサード リンク
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