KAJX (91.5 FM) and KCJX (88.9 FM) are radio stations simulcasting a majority NPR news format with an afternoon Classical Music block during the Summer months. 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 is overseen by Roaring Fork Public Radio, Inc., a 501(c)(3) corporation. The station was founded as Roaring Fork Public Radio Translator, Inc., in 1981 by Isaiah (Sy) Coleman. From 1981 to 1987, the station served as a repeater station for Wyoming Public Radio. After being granted a full-service construction permit in 1985, KAJX became its own station on July 7, 1987; the first local program was founder Coleman ordering a pizza. In 2002 the FCC granted Roaring Fork Public Radio (Aspen Public Radio) its second license, KCJX, Carbondale. KAJX, Aspen, and KCJX, Carbondale, broadcast the same stream.

Aspen Public Radio provides local news broadcasts and reporting each weekday as well as national news and cultural affairs programming from National Public Radio, Public Radio International, American Public Media, PRX, and the BBC.

• Facility details for Facility ID 3009 (KAJX) in the FCC Licensing and Management System
• KAJX in Nielsen Audio's FM station database
• Facility details for Facility ID 85785 (KCJX) in the FCC Licensing and Management System
• KCJX in Nielsen Audio's FM station database

39°11′49″N 106°48′14″W / 39.197°N 106.804°W / 39.197; -106.804