KOMO is a commercial AM radio station licensed to Seattle, Washington and serving the Seattle metropolitan area. Owned by the Sinclair Broadcasting Group, the station primarily airs an all-news radio format. It is the local affiliate for ABC News Radio and identifies itself as "KOMO News 1000 AM and 97.7 FM."KOMO is a clear-channel Class A station, broadcasting at 50,000 watts, the maximum power for American AM stations. It is non-directional by day but uses a directional antenna at night to avoid interfering with WMVP Chicago and XEOY Mexico City, the two other Class A stations on AM 1000. Using a good radio, KOMO is heard in the daytime from Vancouver, British Columbia to Portland, Oregon. At night it can be heard across much of the Western United States and Western Canada. The station's studios and offices are co-located with sister station KOMO-TV 4 within KOMO Plaza in the Lower Queen Anne section of Seattle, directly across the street from the Space Needle. The transmitter is on Vashon Island, off SW 159th Street.