|City||Mount Shasta, California|
|Broadcast area||Serves Siskiyou County and Redding Metro Area|
|Branding||Jefferson Public Radio|
(also on HD Radio)
|First air date||1947|
|Power||1,000 watts (day)|
29 watts (night)
|Affiliations||National Public Radio, Public Radio International|
|Owner||Southern Oregon University|
The station, founded 1947 by David Rees, Sr. of the Shasta Cascade Broadcasting Corporation, signed on the air June 12, 1947, as KWSD, broadcasting on 1340 kHz with 250 W of power. After the "K", the call letters originally stood for W (Weed) S (Shasta) D (Dunsmuir). The station aired various formats over the years, including rock, country and news talk. Rees had previously spent two decades with KMED in Medford, Oregon.
KWSD was the only station in the Mt. Shasta market until 1976, when a companion FM station, KEDY, went on the air. Station personalities through the years included Rees, his sons Dave Jr. and Jon, Dave Niles, Stephen Rizzo, Michael Killian, Paul Whitney, Perry Sims, John Hart, Fred Gerding Jr., Bill Craig, Dave Jr.'s son Dennis Rees, Brian Hembling and Robin Von. Programming varied from middle-of-the-road, to country, to rock, to various network and satellite programming. The AM station operated during daylight hours only at 1,000 non-directional watts with 500 pre-sunrise watts. By the 1990s, the AM station was allowed to broadcast after sundown at 29 watts.
KWSD was one of the stations sold to Siskiyou Radio Partners, Inc. in 1995, owned by Tom Huth and Bob Darling. The call letters were changed to KMJC, as was KEDY. KMJC's format was changed to news/talk. The station was then sold to Four Rivers Broadcasting, who also purchased KMJC-FM, KSYC, KSYC-FM and then KWHO in 2001. Two years later, Jefferson Public Radio, in association with Southern Oregon University, acquired both KMJC (AM) and KSYC (AM) from Four Rivers. Jefferson Public Radio and its programming covers far Northern California and Southern Oregon with an affiliation of small local stations.
Effective June 10, 2016, the licenses for KMJC and six other stations in California and Oregon were transferred by JPR Foundation to Southern Oregon University.
- "KWSD Mt. Shasta, Calif. Now on Air With 250 w" (PDF). Broadcasting. June 23, 1947. Retrieved 29 September 2014.
- FCC History Cards for KMJC
- Query the FCC's AM station database for KMJC
- Radio-Locator Information on KMJC
- Query Nielsen Audio's AM station database for KMJC
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