Inmarsat C

Safety communications using Inmarsat C

 

Inmarsat C is a two-way store and forward communication system that transmits messages in data packets in ship-to-shore, shore-to-ship and ship-to-ship direction.
 

The equipment comprises a small omnidirectional antenna, compact transceiver (transmitter and receiver), messaging unit and, if GMDSS-compliant or with a distress function, a Dedicated Distress Button (DDB) to activate a Distress Alert.
 

Inmarsat Mini C terminals are the smallest models, with some incorporating the antenna and transceiver in the same above deck unit and, depending on the model, supporting the same communication services as Inmarsat C terminals.
 

All modern Inmarsat C and Mini C terminals have an integrated Global Navigational Satellite Services (GNSS) receiver for an automatic position update on the terminal, which is used for distress alerting (ship’s position, course and speed), ship’s position data reporting applications and selective reception of EGC SafetyNET messages.
 

Distress alerts and distress priority messages transmitted via the Inmarsat C system are routed through a Land Earth Station (LES) to a Maritime Rescue Co-ordination Centre (MRCC)

 

Commercial use

 In addition to GMDSS, a vessel's C-terminals can be used for commercial applications such as

  • Telex
  • Plain text e-mail
  • SafetyNet
  • FleetNet
  • Polling & Data Reports for positioning information
 

Services and Products from Telemar

We deliver Inmarsat C terminals from:

  • SAILOR - Cobham Satcom
  • JRC - Japan Radio Company


Artime services including:

 

Being a SAILOR reseller, we have access to Cobham's LocPoint system to conduct LRIT conformance testing of C-terminals. We also provide, via LocPoint, the Conformance Test Reports that should be available onboard.

 

Activating your Inmarsat C

Telemar is holds approvals as an Inmarsat Point of Service Activation and a Maritime Accounting Authority.
Read more >>

 

 

 

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