by svarc_admin | Aug 10, 2026
A directional antenna consisting of several elements arranged along a supporting boom.Unlike an antenna designed to transmit equally in many directions, a Yagi concentrates more of its signal in a particular direction and receives more strongly from that direction....
by svarc_admin | Aug 10, 2026
A radio station that receives a signal on one frequency and automatically retransmits it on another.Repeaters are often installed at elevated locations so handheld and mobile radios can communicate across a much larger area than they could directly. Using a repeater...
by svarc_admin | Aug 10, 2026
Ham-radio slang for a radio. “My HF rig” simply means “my HF radio.”
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.
by svarc_admin | Aug 10, 2026
Standing Wave Ratio, often called VSWR. A measurement commonly used to evaluate how well an antenna system is matched to the transmitter and feed line.An SWR near 1:1 indicates a good impedance match. A high SWR can indicate an antenna, feed-line, connector, or...
