78I2 A
 A vessel, before transiting the Panama Canal, on a voyage from San Diego to Miami, loses the ability to communicate via Inmarsat. The most likely cause is:
A. The vessel has sailed beyond the coverage area of the Pacific satellite.
B. The vessel has sailed beyond the coverage area of the Southbury Shore Station.
C. The vessel has sailed beyond the coverage area of the Western Atlantic satellite.
D. The satellite orbit is beyond the usable range of the SES.
