KVON

KVON (1440 kHz) is a commercial AM radio station broadcasting a talk radio and sports radio format. Licensed to Napa, California, it serves the Napa County/Sonoma County region of Northern California. The station is owned by Wilfred Alexander Marcencia and Julissa Marcencia, through licensee Wine Down Media LLC, and features programming provided by Fox Sports Radio and Premiere Networks. The station features a mix of general interest talk and information during weekdays. Afternoons, evenings and weekends are mostly sports talk. 
By day, KVON is powered at 5,000 watts. At night, to avoid interfering with other stations on 1440 AM, it reduces power to 1,000 watts. It uses a directional antenna at all times.
History.
On November 17, 1947, KVON first signed on. Originally it broadcast with 500 watts of power around the clock, before getting a power increase. The station was owned by Thomas L. Young from 1971 to 1996. During Young's ownership, he founded sister station KVYN which went on the air in 1975. 
In May 2017 an announcement was made that the station along with KVYN had been sold by Wine Country Broadcasting to Wine Down Media for $425,000. The transaction was consummated on August 1, 2017.