 Biscayne Broadcasting also bought WIOD-AM-FM, changing their call signs to WCKR and WCKR-FM.Just as WIOD-AM-FM were network affiliates of NBC Radio, WCKT-TV was an NBC-TV affiliate.In 1962, the Federal Communications Commission stripped the Cox-Knight partnership of its broadcast licenses due to violations of ethics and licensing rules when Cox-Knight sought to build the TV station.