How does communication between satellite be achieved

Using satellite cross-links

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Intersatellite links (ISLs)

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Through ground stations

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Both A and B

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Solution

The correct option is D Both A and B
A crosslink is when satellites communicate directly with eachother, instead of communicating with a ground station which, in turn, communicates with other satellites. Frequencies that are quickly attenutated in the atmosphere are commonly used, making the link undetectable and unjamable from the ground.

ISLs permits a satellite to communicate, when it is not visible from a receiving ground station, using a geostationary TLC satellite.

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