But because 1090 AM is a clear channel frequency, reserved for Class A stations KAAY Little Rock, WBAL Baltimore and XEPRS Rosarito-Tijuana, WTSB must go off the air at night to avoid interference.

[5] The station signed on in 1947, owned by Robeson Broadcasting Corp. Jack Pait, who had a furniture business in Lumberton, was majority stockholder.

Artists included Arrogance, Nancy Middleton, Blue Dust Box, Jam Pain Society, John Saylor, and Tift Merritt.

[10] WBZB received approval for a power increase from 800 to 1,600 watts, but after a year, even though Bass claimed the station was close to making money, his investors were unable to stay with him.

[14] WTSB runs a full-service variety format, including local news and tradio, with much of its programming sold to radio evangelists.