[2][3] The station's license was last held by International Aerospace Solutions, Inc., a company owned by long-time Southern California broadcaster Darrell Wampler.

After he took over operations of KTHO, Wampler retained KTHO operations manager Ed Crook and employed local Lake Tahoe radio personalities Paul Middlebrook as a media consultant, Bill Kingman as a technical advisor and Curtis Fong as on-air personality.

The station first signed on the air on March 17, 1963, broadcasting middle of the road music and local news.

On November 15, 2021, the FCC notified licensee International Aerospace Solutions (IAS) that the licenses of KTHO and associated translator K241BK had been cancelled.

[5][6] In January 2022 KTHO switched to Ktahoe.com becoming an internet radio station playing rock and talk serving South Lake Tahoe, CA.