Operating as a limited-hours, low-power station for most of its history, it carried primarily Christian radio programming and was originally owned by the Pasadena Presbyterian Church.
[9] National Science Network's management of the KPPC stations was turbulent, capped by an October 1971 mass firing of the air staff.
The new owners integrated KPPC, still broadcasting on limited hours on Sundays and Wednesdays, into a growing chain of stations carrying religious programs, including Arcadia, California's KMAX-FM 107.1.
[1] In late 1995, the adjacent-channel station on 1230, KGFJ, was sold to Douglas Broadcasting, which relaunched it as KYPA "Personal Achievement Radio" in February 1996.
[12] Initially considering a simulcast of KYPA's programming on KPPC but instead deciding to buy the license to take it dark, Douglas acquired 1240 AM for $825,000 in December 1995.
Though the church proposed a lease agreement to take back the 1240 frequency, concerns over future applications and the interference to the station on 1230 doomed the idea.
[1] (It also still identified as KPPC,[1] even though Douglas had given the station new KXPA call letters, matching KYPA and its Personal Achievement programming, on May 1, 1996.