Introduction - If you have any usage issues, please Google them yourself
The Multichannel Aviation Satellite Communications System (MCS SATCOM) is a worldwide mobile communications system providing continuous VOICE and DATA COMMUNICATION SERVICES to and from the Aircraft.In addition to the Airborne Avionics (referred to as an Aircraft Earth Station), the total MCS SATCOM system
consists of the Space Segment (satellite network), Ground Earth Stations (GESs) and Public as well as Private Voice and Data terrestrial telecommunication network