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8
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3answers
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Why is this radio telescope's reflector spherical and not parabolic?
This is the Arecibo Observatory in Arecibo, Puerto Rico. Its reflector is spherical, measuring 1,001 ft. in diameter. It is considered the most sensitive radio telescope on Earth, but the fact that ...
8
votes
1answer
81 views
Where can I find information for how to create amateur radio telescope?
Where can I find good source of information for how to create amateur radio telescope.
Particularly interested in creating Fresnel Zone Plate Antennas (aka flat dish).
design, diagrams, ...
