English: Aerial view of the Ukrainian UTR-2radio telescope, the world's largest low-frequency radio telescope at decametre wavelengths. It consists of a T-shaped array of 2040 broadband cage dipole antenna elements, seen in center. Each dumbbell shaped element is 1.8 m in diameter and 8 m long, made of galvanized steel wire, mounted 3.5 m above the ground, with a balun to connect it to the transmission line The antenna receives a bandwidth 8 to 33 MHz. Photo from a height of 500 meters
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