// Workers AI · dad joke modeWhat did RT-64 say to RT-65? You're one byte ahead.

64-m aerial TNA-1500 (RT-64 radio telescope) in Kalyazin.

RT-64 are two radio telescopes in Russia with 64-metre (210 ft) antenna diameter which are among the largest radio telescopes in the world.

The Bear Lakes RT-64 radio telescope at the Bear Lakes Satellite Communications Center is located in Medvezh'i Ozera, Shchyolkovo, near Moscow. The Kalyazin RT-64 radio telescope at the Kalyazin Radio Astronomy Observatory is located in Kalyazin.

Location

Site	Co-ordinates
Kalyazin	57.2228°N 37.9002°E / 57.2228; 37.9002 (Kalyazin RT-64)
Bear Lakes	55.8681°N 37.9519°E / 55.8681; 37.9519 (Bear Lakes RT-64)

See also

• RT-70, a larger aperture Russian design.

External links

• Bear Lakes Radio Astronomy Station
• The Soviet/Russian Deep Space Network
• Russian Ground Control Stations
• Don P. Mitchel. Soviet Telemetry Systems. Deep-Space Communication Centers