[9] In May 1937, the Christian Science Monitor made special note that KSLM's careful commercial policy stood "as a barricade holding questionable advertising material from the ears of listeners".
[10] Read had earlier started Portland, Oregon radio station KXL and would go on to found the Salem Electric utility cooperative in 1938.
[11][12] In September 1937, KSLM was one of several Pacific Northwest area stations to join the Mutual-Don Lee Broadcasting System.
Read sold KSLM license holder Oregon Radio, Inc., to automobile dealer Paul V. McElwain and partner Glenn E. McCormick for a reported sale price of $69,000 on March 1, 1944.
Just over two years later, in March 1988, Daytona Group of Oregon, Inc., contracted to sell the station to John E. Grant's 1010 Broadcasting, Inc., for $215,000.
[17] The station began replacing live and local disc jockeys with programming from Satellite Music Network's "Kool Gold" oldies format in February 1994.
[2] On May 1, 2009, KVXX dropped its simulcast of KFXX to begin airing Spanish language sports programming from ESPN Deportes Radio in conjunction with sister station KTRO.
[2] On July 12, 2010, KWOD changed its format to English language sports, again simulcasting sister station KFXX.
The change of call sign and format was coincident with Entercom's donation of KZZD's license to the Minority Media and Telecommunications Council, Inc. (MMTC).
Effective June 22, 2021, Edward Distell sold KZGD and KCKX to Iglesia Pentecostal Vispera del Fin for $70,000.