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LOCATION
ZONE : 261, 262
TMUCOMV04-T05 LEVEL 3
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TMUCOMV04-P05 LEVEL 3
SPEECH COMMUNICATION COMPONENTS - HF COUPLER
EFFECTIVITY 23-00-00 Page 11
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SPEECH COMMUNICATION COMPONENTS
HF ANTENNA (OPTIONAL)
IDENTIFICATION
FIN : 5RE
LOCATION
ZONE : 322
NOTE: Both HF couplers 1 and 2, if intalled, are
connected to this common antenna. Only one system
can transmit at a time.
TMUCOMV04-T06 LEVEL 3
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SPEECH COMMUNICATION COMPONENTS - HF ANTENNA
TMUCOMV04-P06 LEVEL 3
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TMUCOMV04 LEVEL 3
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23 - COMMUNICATIONS
23-28-00 MCS SATCOM PRESENTATION
CONTENTS:
Introduction
Space Segment
Ground Earth Station (GES)
Aircraft Earth Station (AES)
TMU23SA02 LEVEL 1
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MCS SATCOM SYSTEM PRESENTATION
INTRODUCTION
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
networks.
SPACE SEGMENT
The space segment comprises satellites in
geosynchronous orbits, providing air-ground
packet-switched data services and voice communications
using conventions and capabilities which are
standardized worldwide.
The satellites function as communication transponders
to support L-band links to and from the Aircraft and
provide links to and from GESs.
There are two space segment providers for Airline
Aeronautical Satellite Communications:
- The first is the INternational MARitime
SATellite organization (INMARSAT), whose
system is in place today to provide worldwide
coverage.
- The other is American Mobile Satellite
Consortium (AMSC) system and Telesat Mobile
Inc.(TMI), which provides satellite coverage
for North America.
The satellites operated by both AMSC and TMI back each
other up.
The communications systems of either AMSC or TMI
support public, private radio and data networks.
GROUND EARTH STATION (GES)
Each GES has the necessary equipment to communicate
with terrestrial networks and communicate through
satellites with the Aircraft.
The GESs are designed to provide the Airline customer
with a diverse routing of national and international
voice and data communications via submarine cable,
satellite and microwave links to all destinations.
Automatic traffic management systems ensure efficient
routing of communications using optimum links into
Public Switched Telephone Networks (PSTN) and avoiding
multiple satellite connections whenever possible.
The GESs are strategically placed globally to provide
redundancy and diversity in the terrestrial extension
of communications.
The aircraft will be connected to a GES via an "in-view"
satellite depending on the service preference table
settings in the AES Satellite Data Unit.
TMU23SA02-T01 LEVEL 1
EFFECTIVITY 23-28-00 Page 2
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TMU23SA02-P01 LEVEL 1
MCS SATCOM SYSTEM PRESENTATION
　
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