# RT-70

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{{More references|date=July 2013}}
[[File:70-м антенна П-2500 (РТ-70).jpg|thumb|70-m aerial P-2500 (RT-70 radio telescope) in [Yevpatoria](/source/Yevpatoria).]]
There are three [radio telescopes](/source/radio_telescopes) designated '''RT-70''', all in countries that were once part of the former [Soviet Union](/source/Soviet_Union), all with similar specifications: 70m dishes and an operating range of 5–300 GHz. They are a part of the former [Soviet Deep Space Network](/source/Soviet_Deep_Space_Network), now operated by [Russia](/source/Russia). The Yevpatoria facility has also been used as a [radar telescope](/source/radar_telescope) in observations of [space debris](/source/space_debris) and [asteroids](/source/asteroids).

With their 70m antenna diameter, they are among the largest radio telescopes in the world.

They are:
* the [Yevpatoria RT-70 radio telescope](/source/Yevpatoria_RT-70_radio_telescope) at the former soviet [Center for Deep Space Communications](/source/Center_for_Deep_Space_Communications) or West Center for Deep Space Communications, [Yevpatoria](/source/Yevpatoria), [Crimea](/source/Crimea), [Ukraine](/source/Ukraine).
* the [Galenki RT-70 radio telescope](/source/Galenki_RT-70_radio_telescope) at the [East Center for Deep Space Communications](/source/East_Center_for_Deep_Space_Communications), [Galenki](/source/Galenki) ([Ussuriysk](/source/Ussuriysk)), [Russia](/source/Russia).
* the [Suffa RT-70 radio telescope](/source/Suffa_RT-70_radio_telescope) at the [Suffa Radio Observatory](/source/Suffa_Radio_Observatory) on the [Suffa plateau](/source/Suffa_plateau), [Uzbekistan](/source/Uzbekistan). Never completed.

In 2008, RT-70 was used to beam 501 messages at the [exoplanet](/source/exoplanet) [Gliese 581c](/source/Gliese_581c), in hopes of making contact with extraterrestrial intelligence. The messages should arrive in 2029.<ref>{{cite news|url=https://www.telegraph.co.uk/news/newstopics/howaboutthat/3166709/Messages-from-Earth-sent-to-distant-planet-by-Bebo.html|title=Messages from Earth sent to distant planet by Bebo |last=Moore |first=Matthew|date=9 October 2008 |publisher=.telegraph.co.uk|accessdate=9 October 2008| archiveurl= https://web.archive.org/web/20081011142445/http://www.telegraph.co.uk/news/newstopics/howaboutthat/3166709/Messages-from-Earth-sent-to-distant-planet-by-Bebo.html| archivedate= 11 October 2008 | url-status= live}}</ref>

== See also ==
* [RT-64](/source/RT-64), a smaller aperture [Russian](/source/Russia) design.

== References ==
<references />

== External links ==
* [http://lfvn.astronomer.ru/optic/evpatoria/rt70/index.htm Yevpatoria RT-70 radio telescope] (in Russian)
* [http://radioastron.ru/?dep=16 Suffa RT-70 radio telescope] (in Russian)
* [http://journals.cambridge.org/production/action/cjoGetFulltext?fulltextid=1286120 Suffa Radio Observatory in Uzbekistan: progress and radio-seeing research plans]
* [http://www.spacedaily.com/reports/Russian_Space_Agency_Backs_US_Asteroid_Control_Plan_999.html Russian Space Agency Backs US Asteroid Control Plan] (mentions Galenki telescope)
* Don P. Mitchell. [http://www.mentallandscape.com/V_Telemetry.htm Soviet Telemetry Systems. Deep-Space Communication Centers]

{{Radio-astronomy}}
{{Use dmy dates|date=September 2025}}

Category:Radio telescopes
Category:Soviet inventions

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Adapted from the Wikipedia article [RT-70](https://en.wikipedia.org/wiki/RT-70) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/RT-70?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.