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4 votes

Antenna speed: slow and fast tracking( explanation of a parameter in comparison table)

That row only tells you how long a satellite in that orbit remains in view from a single ground location. Therefore, any antenna you want to point from one to the other must be able to track fast ...
Ryan C's user avatar
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6 votes

Antenna speed: slow and fast tracking( explanation of a parameter in comparison table)

I think the "antenna speed" row would apply to both the on-the-ground and on-orbit antennas. There are two basic categories of antennas; dishes and phased array antennas. When a dish is used ...
phil1008's user avatar
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3 votes

Why is the proposed lunar radio-telescope parabolic, rather than spherical like Arecibo?

According to Lunar Crater Radio Telescope (LCRT) on the Far-Side of the Moon NASA Innovative Advanced Concepts (NIAC) Phase 1 Report, We propose to deploy a 1km-diameter wire-mesh ... to form a ...
Woody's user avatar
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