How is a signal radiated from an Inmarsat-B or F77 system's antenna?
It is usually radiated in an omni-directional pattern, but an optional feature allows it to be directional for use when the vessel is on the fringe of the satellite's footprint.
Correct Answer
It is a highlyfocused directional signal that must be beamed at the desired satellite.
It is radiated in an omni-directional pattern.
It is radiated in an omni-directional pattern that can be reversed by the Operator to attain directional beaming to an alternate satellite.