71I6 C
 Which of the following is a correctly formatted Inmarsat-C address book entry for sending TELEX communications to two vessels in the POR - the first Inmarsat-C and the second Inmarsat-B?
A. 583452998777 first and 583323500120 second.
B. 582450302113 first and 582761579051 second.
C. 582452998777 first and 582323500120 second.
D. 582600267098 first and 582450302113 second.
