73I1 A
 Which of the following are correctly formatted Inmarsat-C address book entries for sending communications to two fax machines on vessels in the AOR-W? First is an F77 terminal and second an Inmarsat-B terminal.
A. 870768790319 and then 870334600340
B. 8704336837925 and then 870452998777
C. 584768790319 and then 584334600340
D. 1 870 768790319 and then 1 870 334600340
