063D B
 What is an Inmarsat "Subscriber Number"?
a) This identifies the vessel's selective calling (SELCALL) number.
b) This is the Inmarsat number that is assigned to a unit for incoming calls.
c) This is the vessel's Inmarsat registration number for accounting authority purposes.
d) This number is used for receiving news and other optional services in FleetNETTM.
