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What is a geo-stationary orbit?

geo-stationary Orbit
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What is a geo-stationary orbit?

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In this animation, the satellite travels around the Earth in a west-to-east direction at a rate of travel that completes one orbit in the same amount of time that it takes for the Earth to complete one rotation. This type of orbit enables the satellite to maintain a fixed position relative to the Earth. It was Sir Arthur C. Clarke’s article published in the British Journal ‘Wireless World’ in October 1945 (Click here) that mapped out the potential of the geostationary orbit for satellite communications. Clarke’s theory was that at an altitude of 36,000 km above the earth a satellite would make one revolution every 24 hours; i.e., that it would remain stationary above the same spot. Today, over 300 satellites are located in the ‘Clarke Belt’, providing broadcasting, broadband and telecommunications services around the world and forming a vital component of the Information Society. In the Northern Isles we can ‘see’ around 34 broadcast satellites in the Ku-band.

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