The stations are licensed to Roaring Fork Public Radio, Inc. (DBA as Aspen Public Radio) in Aspen, Colorado (KAJX) and Carbondale, Colorado (KCJX).

Located in Aspen, the non-commercial station is governed by a board of directors.

It serves Roaring Fork, Crystal, Fryingpan, and Eagle River valleys in the state of Colorado.

The station was founded as Roaring Fork Public Radio Translator, Inc., in 1981 by Isaiah (Sy) Coleman.

After being granted a full-service construction permit in 1985, KAJX became its own station on July 7, 1987;[1] the first local program was founder Coleman ordering a pizza.