Where are the UHF antennas located on the vessel?

Where are the UHF antennas located on the vessel?

• A. Forward port side
• B. Aft starboard side
• C. Forward starboard side
• D. Midship on the superstructure

Answer: (A)

UHF communications rely on line-of-sight reach, so the antenna must have a clear, unobstructed path away from the ship’s own structures. Placing the antennas at the forward part of the port side keeps them high above deck clutter and behind fewer obstacles, giving a consistent radiation pattern toward the forward-port sector where other ships and shore stations are most likely to be seen. This location also avoids interference from equipment and structures that cluster toward the stern or starboard side, and it makes maintenance easier. If the antennas were farther aft, midship, or on the starboard side, the signal could be more easily obstructed by the hull or superstructure, or suffer from less favorable coverage to the forward area where contact is often essential.

UHF communications rely on line-of-sight reach, so the antenna must have a clear, unobstructed path away from the ship’s own structures. Placing the antennas at the forward part of the port side keeps them high above deck clutter and behind fewer obstacles, giving a consistent radiation pattern toward the forward-port sector where other ships and shore stations are most likely to be seen. This location also avoids interference from equipment and structures that cluster toward the stern or starboard side, and it makes maintenance easier.

If the antennas were farther aft, midship, or on the starboard side, the signal could be more easily obstructed by the hull or superstructure, or suffer from less favorable coverage to the forward area where contact is often essential.