Query: What is the abbreviation of CTN?
Context: WHTV channel 18, a MyNetworkTV-affiliated station for the Lansing market, broadcasts from a transmitter in Lyndon Township, west of Ann Arbor. Community Television Network (CTN) is a city-provided cable television channel with production facilities open to city residents and nonprofit organizations. Detroit and Toledo-area radio and television stations also serve Ann Arbor, and stations from Lansing and Windsor, Ontario, can be heard in parts of the area.