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radio telescope comparison table
Subject has reference has angular resolving power is a kind of require has effective diameter is an instance of has position has element aperture has element separation has definition has number of element
AreciboNAIC Arecibo Observatory5 arcminute  300 metersradio telescopePuerto Rico    
radio interferometerastroweb array telescopesignals from different antenna to be combined     Type of radio telescope that relies on the use of two or more aerials at a distance from each other to provide a combination of signals from one source which can be analyzed by computer. Such an analysis results in a resolution that is considerably better than that of a parabolic dish aerial by itself because of the greater effective diameter. 

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