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How is the “Picture” of the Sagittarius A* Black Hole Made From Radio Telescope Observations?
By combining the signals from multiple telescopes radio astronomers are able to produce images or “pictures”, such as the…

Can One Build a Radio Interferometer in One’s Back Yard?
I guess it depends upon how big your back yard is! There is a nice Bachelor’s degree thesis from…

What are the Different Parts of a Radio Telescope?
You can find a very nice description of the different parts of a radio telescope in NRAO’s radio astronomy…

What Are the Astronomical Uses of the 13.36 to 13.41 MHz Radio Frequency Allocation?
According to the “Handbook of Frequency Allocations and Spectrum Protection for Scientific Uses” published by the National Academy of…

Can the VLA Antennas Be Used as Transmitters?
Yes, the individual antennas of the VLA can be used to transmit signals. I am not aware of this…