COBHAM SAILOR 6000B, User Manual

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Chapter 1: Introduction
2 System overview
System overview
The SAILOR MF/HF System 6000B Radiotelex communicates on MF or HF
radio frequencies. It is approved for shipboard installations to operate
within the Global Maritime Distress and Safety System (GMDSS).
Radiotelex supports worldwide ship-to-ship, ship-to-shore, and shore-to-
ship communication. A coast station can act as a relay between the
Radiotelex system and an end receiver without any telex capabilities. The
Radiotelex system supports both 4- and 5-digit selective calls and 9-digit
MMSI (Maritime Mobile Service Identity) numbers.
Radiotelex is well suited for transmission over very long distances. It has
global coverage, even including the North pole and the South pole.