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((Short description|Indian space research network))
((more citations needed|date=May 2015))
[[File:A view of Mission Operations Complex 1 (MOX-1) at ISTRAC, Peenya before commencement of fourth orbit raising burn for Chandrayaan-2.jpg|thumb|A view of Mission Operations Complex - 1 (MOX-1) at ISTRAC before commencement of an orbit raising burn for [[Chandrayaan-2]].]]
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)((citation needed lead|date=October 2014)) with its headquarters at [[Bangalore]], India.

==Facilities==
ISTRAC has several facilities as of November 2013:((citation needed|date=December 2013))
* ISTRAC facilities in Bangalore consist of TTC ground station (BLR) with full redundancy multi-mission Spacecraft Control Center to carry out 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 [[Spacecraft Control Centre|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.

==Mission==
The mission of the ISTRAC includes:((citation needed|date=December 2013))
*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:<ref name=irso17j>((cite web |title=Indian Deep Space Network (IDSN) |url=http://www.isro.org/chandrayaan/htmls/ground_segment_spacenetwork.htm |publisher=ISRO |access-date=17 January 2013 |archive-url=https://web.archive.org/web/20131022161359/http://isro.org/chandrayaan/htmls/ground_segment_spacenetwork.htm |archive-date=22 October 2013 |url-status=dead ))</ref>

===India===
*[[Hyderabad, India|Hyderabad]]<ref>((Cite web |title=Aboutus_Org_DRS ((!)) NRSC Web Site |url=https://www.nrsc.gov.in/Aboutus_NRSC_DRS?language_content_entity=en |access-date=2023-09-30 |website=www.nrsc.gov.in |archive-date=2023-01-16 |archive-url=https://web.archive.org/web/20230116212238/https://www.nrsc.gov.in/Aboutus_NRSC_DRS?language_content_entity=en |url-status=live ))</ref>
*[[Bangalore]], also hosts the Indian [[Spacecraft Control Centre]]<ref name=toi100713/>
*[[Lucknow]]
*[[Port Blair]]
*[[Sriharikota]]
*[[Thiruvananthapuram]]
*[[Bharati (research station)|Bharti research station (AGEOS)]]<ref>((Cite web |title=Aboutus_Org_DRS ((!)) NRSC Web Site |url=https://www.nrsc.gov.in/Aboutus_NRSC_DRS?language_content_entity=en |access-date=2023-09-30 |website=www.nrsc.gov.in |archive-date=2023-01-16 |archive-url=https://web.archive.org/web/20230116212238/https://www.nrsc.gov.in/Aboutus_NRSC_DRS?language_content_entity=en |url-status=live ))</ref>

===Global Stations===
*[[Port Louis]], [[Mauritius]]
*[[Bear Lakes (Russia)|Bear Lakes]], [[Russia]] (Медвежьи Озера, Medvezhi Ozera), operating the [[RT-64]] antenna
*[[Biak]], [[Indonesia]]
*[[Brunei]]<ref>((cite web |url=https://borneobulletin.com.bn/brunei-india-sign-mou-for-cooperation-in-space-research-field/ |title=Brunei, India sign MoU for cooperation in space research field &#124; Borneo Bulletin Online |website=borneobulletin.com.bn |access-date=14 January 2022 |archive-url=https://web.archive.org/web/20180723113544/https://borneobulletin.com.bn/brunei-india-sign-mou-for-cooperation-in-space-research-field/ |archive-date=23 July 2018 |url-status=dead))</ref>
*[[Svalbard]], [[Norway]]
*[[Troll (research station)|Troll]], [[Antarctica]]<ref name=toi100713>[https://web.archive.org/web/20110811083318/http://articles.timesofindia.indiatimes.com/2010-07-13/india/28284987_1_cartosat-2b-isro-chairman-k-radhakrishnan-synthetic-aperture-radar 10 eyes in the sky give India space edge]</ref>
*[[Vietnam]]<ref>((Cite web|title=ISRO Developing Station in Vietnam|url=https://pib.gov.in/newsite/PrintRelease.aspx?relid=137666|access-date=2021-03-29|website=pib.gov.in|archive-date=2021-11-23|archive-url=https://web.archive.org/web/20211123021225/https://pib.gov.in/newsite/PrintRelease.aspx?relid=137666|url-status=live))</ref><ref>((Cite news|last=Torode|first=Sanjeev Miglani, Greg|date=2016-01-25|title=India to build satellite tracking station in Vietnam that offers eye on China|language=en|work=Reuters|url=https://www.reuters.com/article/india-vietnam-satellite-china-idINKCN0V309W|access-date=2021-03-29|archive-date=2021-07-01|archive-url=https://web.archive.org/web/20210701091713/https://www.reuters.com/article/india-vietnam-satellite-china-idINKCN0V309W|url-status=live))</ref>
*[[Gatun Lake]], [[Panama]]<ref>((Cite web|url=https://www.reddit.com/r/ISRO/comments/3r7s4e/and_another_ground_station_for_isro_seems_to_be/|title=And another ground station for Isro seems to be in works. This time around probably in Panama. : ISRO))</ref><ref>((cite web |url=http://www.isro.gov.in/sites/default/files/tenders/EOI%20%20-%20%2011m%20antenna_0.pdf |title=Expression Of Interest |website=www.isro.gov.in |access-date=2021-04-01 |archive-date=2016-10-27 |archive-url=https://web.archive.org/web/20161027123740/http://www.isro.gov.in/sites/default/files/tenders/EOI%20%20-%20%2011m%20antenna_0.pdf |url-status=dead ))</ref>
*[[São Tomé and Príncipe]], [[West Africa]]<ref>((Cite web|last=Sheldon|first=John|date=2018-09-12|title=São Tomé And Príncipe Signs Space Agreement With India|url=https://spacewatch.global/2018/09/sao-tome-and-principe-signs-space-agreement-with-india/|access-date=2021-03-29|website=SpaceWatch.Global|language=en-US|archive-date=2018-09-16|archive-url=https://web.archive.org/web/20180916202435/https://spacewatch.global/2018/09/sao-tome-and-principe-signs-space-agreement-with-india/|url-status=live))</ref><ref>((Cite web|last=Africa|first=Space in|date=2018-09-09|title=India and Republic of Sao Tome and Principe sign MoU to set up Space centre|url=https://africanews.space/india-and-republic-of-sao-tomi-and-principe-sign-mou-to-set-up-space-centre/|access-date=2021-03-29|website=Space in Africa|language=en-US|archive-date=2018-09-16|archive-url=https://web.archive.org/web/20180916202126/https://africanews.space/india-and-republic-of-sao-tomi-and-principe-sign-mou-to-set-up-space-centre/|url-status=live))</ref>

==See also==
*[[Indian Deep Space Network]]
*[[European Space Tracking]]
*[[NASA Deep Space Network]]
*[[Near Earth Network]]
*[[Space Network]]

==References==
((Reflist))

==External links==
*[https://www.istrac.gov.in/index.html ISRO Telemetry, Tracking and Command Network (ISTRAC) - Official Website]

((ISRO facilities))
((Indian space programme))

((Use Indian English|date=January 2014))

[[Category:Indian Space Research Organisation facilities]]
[[Category:Year of establishment missing]]

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