It airs news, talk and information programs on weekday morning and afternoon drive times, with a mix of music shows featuring classical, jazz, blues, folk and other genres the rest of the day, and the BBC World Service overnight.

[2] Through seven full-power repeaters and six translators, it reaches listeners in eastern Washington, northeastern Oregon, northern Idaho, western Montana and southern British Columbia.

In 1974, David Schoengold, a record store owner and law school student, took over the station from Cole and expanded its broadcast schedule to 24 hours a day.

Getting the required funding took longer than expected, in part because the board was committed to keeping the proposed station as a community license.

While linking up with a local nonprofit or an educational institution would have provided greater security, many board members believed that it would have also compromised the station's ability to program potentially controversial content.

It is one of seven local Spokane FM radio stations heard across Canada to subscribers of the Shaw Direct satellite TV service.

KPBX had broadcast the Washington Talking Book & Braille Library's Evergreen Radio Reading Service to blind and handicapped listeners on its 67kHz subcarrier.