DSC & Alpha-Numeric ID:
DSC & Alpha-Numeric ID:
Inmarsat Mobile Numbers for “C” Terminals
You receive a TELEX with the sender’s I.D. of 433863491. What type of terminal sent this message to your vessel?
You receive a TELEX with the sender's I.D. of 433863491. What type of terminal sent this message to your vessel?
(A). Inmarsat-C
Inmarsat Numbers
2  Reserved for future use
3  Call in Inmarsat-B 
4  Call in Inmarsat-C 
5  Call in Inmarsat Aeronautical 
6  Call in Inmarsat-M 
76  Call in Inmarsat-mini-M 
70-75 and 77-79  For future use
8  Fast special service terminations in Inmarsat-A
9  Future expansion
For additional info, please see ITU's List of Ship Stations and Maritime Mobile Service Identity Assignments - Description of fields
The vessel's location data uses code 43, as the first two digits of a 9-digit number.
The Inmarsat satellite systems providing maritime services consist of 9-digit numbers, with the first 2-digit codes that categorize the communication.
Meteorological information starts with code 41, while navigational warnings and hazards use code 42.
For more information, please see SatellitePhoneStore.com site page on
 Inmarsat C Service Plans
Last edited by markadlerdallas. Register to edit
Tags: none
You receive a TELEX with the sender’s I.D. of 436640927. What type of terminal sent this message to your vessel?
You receive a TELEX with the sender's I.D. of 436640927. What type of terminal sent this message to your vessel?
(B). Inmarsat-C
Inmarsat Numbers
2  Reserved for future use
3  Call in Inmarsat-B 
4  Call in Inmarsat-C 
5  Call in Inmarsat Aeronautical 
6  Call in Inmarsat-M 
76  Call in Inmarsat-mini-M 
70-75 and 77-79  For future use
8  Fast special service terminations in Inmarsat-A
9  Future expansion
For additional info, please see ITU's List of Ship Stations and Maritime Mobile Service Identity Assignments - Description of fields
The vessel's location data uses code 43, as the first two digits of a 9-digit number.
The Inmarsat satellite systems providing maritime services consist of 9-digit numbers, with the first 2-digit codes that categorize the communication.
Meteorological information starts with code 41, while navigational warnings and hazards use code 42.
For more information, please see SatellitePhoneStore.com site page on
 Inmarsat C Service Plans
Last edited by markadlerdallas. Register to edit
Tags: none
Which of the following would indicate an Inmarsat-C terminal?
Tags: none
Which of the following would indicate an Inmarsat-C terminal?
Which of the following would indicate an Inmarsat-C terminal?
(C). 436682433
Inmarsat Numbers
2  Reserved for future use
3  Call in Inmarsat-B 
4  Call in Inmarsat-C 
5  Call in Inmarsat Aeronautical 
6  Call in Inmarsat-M 
76  Call in Inmarsat-mini-M 
70-75 and 77-79  For future use
8  Fast special service terminations in Inmarsat-A
9  Future expansion
For additional info, please see ITU's List of Ship Stations and Maritime Mobile Service Identity Assignments - Description of fields
The vessel's location data uses code 43, as the first two digits of a 9-digit number.
The Inmarsat satellite systems providing maritime services consist of 9-digit numbers, with the first 2-digit codes that categorize the communication.
Meteorological information starts with code 41, while navigational warnings and hazards use code 42.
For more information, please see SatellitePhoneStore.com site page on
 Inmarsat C Service Plans
Last edited by markadlerdallas. Register to edit
Tags: none
Which of the following would indicate an Inmarsat-C terminal?
Tags: none
Which of the following would indicate an Inmarsat-C terminal?
Tags: none