Inmarsat C Channels And Signals - Furuno FELCOM 12 Service Manual

Inmarsat C Channels and Signals

Land Eart Station
(LES)
Acknowledgement
Announcement Response
Assignment Response
Clear
Data Reporting
Distress Alert
Forced Clear
Assignment Request
Request for Transfer Status
Request for Message Status
The MES operates in the TX frequency band 1626.5 to 1646.5 MHz and the RX
frequency band 1530.0 to 1545.0 MHz.
The channel numbers are assigned in increments of 5 kHz as follows:
Data Report
Distress
Polling Status
Commission&Test Request
Registration
SES Status, SES Status Request
TDM Assignment
TDM Release Ack
Interstation Signalling Channel
Data
Acknowledgement
Acknowledgement Requset
Bulletin Board
Clear
Data Packets
Distress Alert Ack
Distress Test Request
Forced Clear
Logical Channel Assignment
Message Status
Request Status
Test Results
Ship Earth Station (MES)
Channel No. TX (MHz)
6000 1626.500
6002 1626.505
:
:
8000 1631.500
8002 1631.505
:
:
13998 1646.495
14000 1646.500
Confirmation
Distress
EGC
Polling Request
SES Status
SES Status Request
TDM Release
Test Result
Data Report
Distress Alert
Initiate Call
Log in Request
Log out Request
Message Status Request
Test Request
RX (MHz)
-
-
: -
: -
1530.000
1530.005
: :
: :
1544.995
1545.000
1-9
Network Coordination
Station (NCS)
Announcement
Bulletin Board
Confirmation
Distress Alert Ack
EGC
Log in Ack
Log out Ack
Network Update
Polling
Request Status