9D16 C
 Over the Inmarsat system, telephone and telex communication channel usage is:
A. Many ships on same telex analog channel frequency and many ships per same TDM telephone channel.
B. One ship per analog telephone channel and one ship per telex analog channel frequency.
C. One ship per telephone channel and many ships per telex analog channel frequency.
D. One ship per analog channel frequency whether telephone or telex.
