RepeaterBook Wiki - downlink_tone - created #wiki Integration <repeaterbook@...>

downlink_tone - created

By kd6kpc (kd6kpc@...)

Downlink Tone Tones are often attached to a repeater's uplink frequency to control access or limit noise/interference. In the commercial radio applications and invented by Motorola, the term is known as PL, which was short for Motorola Private Line. In the amateur radio community, the non-propriety term of