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Overview of Satellite Phones by ganesh9619866360 is a document available to read on EtoBox.
Cellular phone systems divide coverage areas into hexagonal cells served by base stations connected to a mobile switching center. Mobile stations within cells communicate directly with the base station. Satellite phones instead connect to orbiting communications satellites to allow coverage worldwide. Systems use either geostationary satellites always overhead or low Earth orbit satellites completing orbits every 90 minutes to ensure global access. Popular systems include Inmarsat using geostationary satell
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- ganesh9619866360
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- EN