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A new worldwide standard for transmitting and evaluating distress calls from ships and aircraft, Inmarsat-E, has established itself in the last few years. It is a system operating in conjunction with the four geostationary Inmarsat satellites. The standard was developed and formulated with the objective of ensuring reliable and unrestricted transmission of distress calls within the shortest possible time and for a large number of users. In contrast to LEO (low earth orbit) satellites, which can be received at a specific position on the earth only for a short time once every one to two hours, geostationary satellites guarantee reception and evaluation...
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