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CHAPTER 1. GENERAL
This manual covers the installation, operation, and maintenance of the MES (Mobile Earth Station)
JUE-87 for Inmarsat-C satellite communications.
The Inmarsat-C satellite communications provides text and data transmission to and from Inmarsat-C
MES and terrestrial subscribers via a variety of public networks. It also carries the EGC (Enhanced Group
Call) message.
JUE-87 provides the following functions;
(a) Store and Forward message transfer
(b) Distress Alert and Distress Priority Messaging
(c) EGC message reception when not engaged in Inmarsat-C traffic (Inmarsat-C Class 2)
(d) Position and/or file transfer by a polling command from shore using store and forward message
transfer
(e) Scheduled position and/or file transfer using store and forward message transfer
(f) Position and/or Data Reporting, Enhanced Data Reporting (EDR) and Enhanced Pre-Assigned
Data Reporting (EPADR) using data reporting protocol specified by Inmarsat (depends on LES
facility)
(g) Long-Range Identification Tracking (LRIT) function (by improved version of data reporting)
(h) INM-C service support via LAN
(i) JRC Remote Maintenance Service support
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