WTOS (910 kHz) is a commercial AM radio station licensed to Bangor, Maine, United States. The station is owned by Blueberry Broadcasting. WTOS broadcasts an active rock format, simulcast with WTOS-FM (105.1 FM) in Skowhegan and WTUX (101.1 FM) in Gouldsboro. WTOS's studios and offices are on Target Industrial Circle in Bangor. The transmitter is off Wilson Street in Brewer. The station broadcasts at 5,000 watts around the clock using a non-directional antenna by day. But to protect other radio stations on AM 910 at night, it uses a two tower directional antenna.