Can a portable VHF radio be used on shore?

Using a portable VHF radio on shore for listening is permissible and often practiced. VHF radios are designed for marine communication, providing vital information such as weather updates, navigational alerts, and communications with vessels and harbors. While the primary focus of these devices is for maritime use, they can also receive transmissions when on land, making option C a valid choice.

It's important to note that while using a portable VHF radio for listening is allowed, the legalities around transmitting without a proper license or regulatory compliance must be observed. Therefore, it's common practice to listen to VHF communications on shore, especially by individuals involved in maritime activities or coast watchers, to maintain awareness of maritime operations and safety.