|City of license||Vancouver, Washington|
|Broadcast area||northern Willamette Valley and Clark County, Washington|
|First air date||1939 (as KVAN)|
|Power||3,300 watts day
4,300 watts night
|Callsign meaning||K M T T (former call letters for 103.7 FM in Seattle (now KHTP)|
|Former callsigns||KVAN (1939-1959)
(see also KISN (Portland))
|Affiliations||CBS Sports Radio
(Entercom License, LLC)
|Sister stations||KFXX, KWOD, KGON, KNRK, KYCH-FM, KWJJ-FM, KRSK|
KMTT is a commercial radio station licensed to Vancouver, Washington, broadcasting to the Portland, Oregon and Clark County, Washington area on 910 AM. KMTT is owned by Entercom and airs a sports format with programming from CBS Sports Radio and carries Seattle Mariners baseball games. The studios are located south of downtown Portland, and the transmitter site is in the city's northeast side along the Columbia River.
The 910 AM frequency signed on the air in 1939 as KVAN and aired a country music format in the 1950s. From 1959 to 1976, 910 kHz was used by station KISN, which during its tenure had a Top 40 format. KISN was shut down by the FCC in September 1976 after a political bias scandal.
The current station, which came on the air as KKSN on April 1, 1980, has aired numerous formats, including classical, oldies (as "Kissin' 910 from 1987 to 1989) and adult standards (as "Sunny 910" from 1989 to 1998). From 1998 to 2004, it was sports radio station KFXX, which has since moved to 1080 kHz. 910 then switched to hot talk as KOTK ("Max 910"), then in 2005 to oldies as KKSN, picking up the oldies format after KKSN-FM 97.1 ("KISN-FM") flipped to adult hits as "Charlie FM".
On February 15, 2007, KKSN changed their call letters to KTRO; and on March 28, 2007, KTRO-FM changed their format to regional Mexican and changed their call letters to KRYP, and the existing talk format continued on KTRO AM. The station is owned by Entercom but was programmed by Salem Communications. The former program lineup (Dennis Prager, Hugh Hewitt, Laura Ingraham, etc.) was similar to that found on other Salem stations throughout the United States.
On May 28, 2010, KTRO changed their call letters back to KKSN. The station dropped ESPN Deportes Radio on July 12, 2010 in favor of simulcasting the programming of KNRK-HD2, which airs music from local bands.
On November 1, 2013, KMTT changed their format from "94/7 too" with local and Northwest music (which continues on KNRK-HD2) to sports, branded as "Sports 910" with programming from CBS Sports Radio.
- "FCCInfo Results: KTRO(AM)". FCCInfo.com. Manassas, Virginia: Cavell Mertz & Associates, Inc. 2009-06-12. Retrieved 2009-06-14.
- "FCCInfo Facility Search Results: Entercom Portland License, LLC". Manassas, Virginia: Cavell Mertz & Associates, Inc. 2009-06-12. Retrieved 2009-06-14.
- Stanford, Phil (February 27, 2007). "Time to kiss KISN goodbye, again". Portland Tribune. Retrieved June 10, 2009.
- "KISN AM 91-wonderful Tribute Page (1959-76)". Retrieved 2009-06-14.
- Day, James (May 4, 2009). "Area radio stations alter programming; Some of the talk shows on KFXX will be tough to receive for area listeners". Statesman Journal.
- "Several Changes At KNRK". All Access. June 8, 2010. Retrieved June 9, 2010.
- Entercom Launches Sports 910 Portland
- Query the FCC's AM station database for KMTT
- Radio-Locator Information on KMTT
- Query Nielsen Audio's AM station database for KMTT