RT-64

There are two radio telescopes designated RT-64 (TNA-1500), both in Russia and with similar specifications.

With their 64m antenna diameter, they are among the largest radio telescopes in the world.

They are:
 * the Bear Lakes RT-64 radio telescope at the Bear Lakes Satellite Communications Center, in Bear Lakes, Shchyolkovo, near Moscow.
 * the Kalyazin RT-64 radio telescope at the Kalyazin Radio Astronomy Observatory, Kalyazin, Russia