The TNA-400 was the first small-scale, high-precision Soviet radio telescope with a 32-metre diameter main reflector. It was created in 1961 to track the USSR’s Soviet Lunar, Mars and Venusian missions and communicate with the first artificial satellite, Sputnik 1.
The radio telescope is located in the village of Shkolnoye, 21 km from the city of Simferopol. Subsequent to the TNA-400 model came the P-400.
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