RT-70

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There are three radio telescopes designated RT-70, all in countries that were once part of the former Soviet Union, all with similar specifications: 70m dishes and an operating range of 5–300GHz. They are a part of the former Soviet Deep Space Network, now operated by Russia. The Yevpatoria facility has also been used as a radar telescope in observations of space debris and asteroids. With their 70m antenna diameter, they are among the largest radio telescopes in the world. They are: the Yevpatoria RT-70 radio telescope at the former soviet Center for Deep Space Communications or West Center for Deep Space Communications, Yevpatoria, Crimea, Ukraine. the Galenki RT-70 radio telescope at the East Center for Deep Space Communications, Galenki (Ussuriysk), Russia. the Suffa RT-70 radio telescope at the Suffa Radio Observatory on the Suffa plateau, Uzbekistan. Never completed. In 2008, RT-70 was used to beam 501 messages at the exoplanet Gliese 581c, in hopes of making contact with extraterrestrial intelligence. The messages should arrive in 2029.