The station's original transmitter tower was only high, which was tiny even by 1950s' standards, and limited channel 2's signal coverage to Volusia County. As such, it shared the NBC affiliation in Central Florida with primary CBS affiliate WDBO-TV (channel 6, now WKMG-TV). It finally became the market's exclusive NBC affiliate on November 5, 1957, when WDBO-TV relinquished its secondary affiliation with the network. On that day, the station activated a new transmitter tower in Orange City. The tower was located farther north than the other major Orlando stations' transmitters because of Federal Communications Commission (FCC) rules at the time that required a station's transmitter to be located within of its city of license. The station's signal was short-spaced to prevent interference with non-commercial educational station WTHS-TV (channel 2, now PBS member station WPBT) in Miami.