What does VHF stand for and what is its typical usage?

VHF stands for Very High Frequency, which is a designation for electromagnetic waves in the frequency range typically from 30 MHz to 300 MHz. The correct option highlights that VHF is primarily used for local communication. This includes applications such as FM radio broadcasting, television broadcasts, two-way radio communications, and certain marine and aviation communications, all of which are characterized by their effectiveness over relatively short distances compared to other frequency bands, such as UHF or microwave frequencies.

In local communication, VHF signals can travel line-of-sight, which is suitable for scenarios like individual radio communication in a community or essential communication between boats and ships within close proximity. This practical use emphasizes VHF's role in maintaining clear, reliable communication without interference, making it a vital tool for both amateur radio operators and professional communication within localized areas.