by svarc_admin | Aug 10, 2026
Communication in which stations transmit and receive on the same frequency.If two handheld radios are talking directly to each other on one frequency without using a repeater, they are operating simplex.
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
The difference between a repeater’s receive and transmit frequencies.Your radio listens on the repeater’s output frequency but shifts—or offsets—to another frequency when you transmit. Radios may display this as a + or − offset. Once programmed correctly, the radio...
by svarc_admin | Aug 10, 2026
The frequency on which a repeater transmits. This is the frequency your radio listens to when receiving the repeater.Repeater directories commonly identify a repeater by its output frequency.
by svarc_admin | Aug 10, 2026
A scheduled on-air gathering of amateur radio operators.A net may exist for casual conversation, training, public service, emergency communications, club announcements, technical discussion, traffic handling, or simply keeping in touch. Many nets are very friendly to...