Saturn Bt – Chapter 4. System 4.1
Inmarsat-B System
Inmarsat-B is a satellite communication system providing highly-
reliable telephone, data and facsimile communications to and from
mobile subscribers anywhere within the coverage area of the
INMARSAT system, from 70°S to 70°N.
Description
Figure 4.1 Overview of the Inmarsat-B system.
LES
NCS
MES
TELEPHONE
NETWORKS
NCS: Network Coordinating Station
LES: Land Earth Station
MES: Mobile Earth Station
(Saturn B terminal)
MES
DATA
NETWORKS
TELEX
NETWORKS
Transceiver
NCS Network Coordinating Station LES Land Earth Station MES Mobile
Earth Station
Chapter 4. System
Description