by svarc_admin | Aug 10, 2026
Very High Frequency. The radio spectrum from 30 to 300 MHz.The amateur 2-meter band is one of the most popular VHF bands. VHF is widely used for repeaters, simplex communication, satellites, digital communication, public service, and portable or mobile...
by svarc_admin | Aug 10, 2026
Ultra High Frequency. The radio spectrum from 300 MHz to 3 GHz.For many new amateur operators, the most familiar UHF amateur band is the 70-centimeter band. UHF is commonly used for local communication, repeaters, satellites, digital systems, and...
by svarc_admin | Aug 10, 2026
In a repeater listing, tone usually refers to the CTCSS tone that must accompany your transmission for the repeater to accept it.For example: Tone: 100.0 Hz. Usually, you program the correct value into your radio once and the radio sends it automatically whenever you...
by svarc_admin | Aug 10, 2026
A digital voice system developed by Yaesu for amateur radio.Fusion-capable equipment can use Yaesu’s digital voice format, and many Fusion radios and repeaters also support conventional analog FM. You may also see the term C4FM, which refers to the modulation used by...
by svarc_admin | Aug 10, 2026
A radio control that keeps the speaker quiet when no sufficiently strong signal is being received.Without squelch, an FM radio may produce constant background hiss between transmissions. Setting squelch too high can prevent weaker stations from being heard.
