On-air off-air testing unknown click on the frequency for additional details. tennessee amateur radio repeater database for ham repeaters in the us, canada, and. Utilizing several locations throughout the area, covering several different amateur radio bands, the wb4gbi repeater system provides east tennessee with ample repeater service, for both the casual. The information on this page represents amateur ham radio repeater locations displayed via google maps. The data represents the repeaters frequency, offset, ctcss, pl and notes such as if it supports irlp, echolink, autopatch, etc. Useful for mobile, handheld and base station amateur ham radio tranceivers, receivers and scanners by kenwood, icom and yaesu. amateur radio has the possibility to save lives, especially of those who are in need of help. The radio amateur club of knoxville (rack) was founded in 1954 as a way of promoting the interest of amateur radio operators in the knoxville tennessee area. Tennessee ysf amateur radio repeater database for ham repeaters in the us, canada, and mexico. Users with yeasu digital radios may operate these two repeaters in digital mode if desired. If a user transmits in analog mode, the repeater switches back to analog mode. output input tone out tone in callsign description county 146.