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Three special satellites located in geostationary orbit above Europe transmit a GPS-like signal that improves the GPS accuracy down to 1 to 2 metres.
Once in geostationary orbit above the equator this satellite will provide a wide range of high-speed telecommunications services for North America, South America, Europe, North Africa and the Middle East.
Finally uplink stations send the signal to three geostationary satellites that relay it back for reception by end-users on the ground.
Egnos consists of three geostationary satellites and a network of ground stations for the transmission of a signal containing information on the reliability and accuracy of the positioning.
He states that geostationary satellites must violate Kepler's first law, because they must have circular orbits when the first law demands that orbits be ellipses.
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