I believe that this question has been answered before. See “How Does a Radio Interferometer Work?” using the search…
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Can an Amateur Radio Astronomer Detect an Asteroid?
Since the radio emission from asteroids is strongest at relatively short wavelengths, below the wavelength range that amateur radio…

Some Questions About Pulsars
1) Has there been any reported trinary pulsar clusters? I don’t believe so. The closest analog that I am…

Will the Starlink Satellites Affect the VLA?
In fact, this is a current area of study. See https://public.nrao.edu/news/nrao-statement-commsats/.

Radio Astronomy at Extremely Low Frequencies?
I believe that Extremely Low Frequencies (ELFs) are defined as frequencies from 3 to 30 Hz. The lowest frequencies…

What Type of Cable Connects the VLA Antennas?
Originally the antennas which comprise the VLA were connected to the electronics which are used to combine the signals…