KTSL (101.9 FM) is a radio station broadcasting a contemporary Christian format. Licensed to Medical Lake, Washington, USA, the station serves the Spokane area. The station is currently owned by EMF Broadcasting. Air1 got its start when 2 radio stations in Southern California joined together with a third near Portland, Oregon in 1995, creating the Air1 Radio Network. Today, Air1 is heard on 210 radio stations in 40 states and is one of the most listened to radio stations on the internet.