Radio telescopes are mainly used for astronomy.
Nothing on that list is used in a radio telescope.
To make a tv telescope
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Radio Telescope
A radio telescope
A radio telescope has two basic components, a large radio antenna and a radio receiver. It is used to detect radio-frequency radiation emitted by objects in space.
radio telescope detects radio waves and a light telescope views light waves.
Radio Telescope Arrays
A radio telescope detects light in the form of radio waves and a refracting telescope detects light in the visible wavelengths
An optical telescope cannot be used during cloudy days. Of course, this assumes that the telescope is located somewhere on the Earth's surface and therefore subject to weather. Since clouds obscure the sky - and any heavenly object otherwise visible - the optical telescope will be unable to see anything. A radio telescope, however, can see through clouds, simply because clouds do not block or cause significant interference to radiowaves reaching the Earth's surface from space.
how long was the first radio telescope
They usually ARE used together, because astronomers want to see if there is anything visible at the same place as this bright radio source in the sky.