General purpose computers have been replacing purpose-built equipment in almost every industry, including radio broadcasting. But, some functions - such as VHF and UHF modulators - have still required precision, purpose-built circuitry. Now come the “RF Supercomputer” - a marriage of hardware and software that can produce any kind of modulation at most any broadcast frequency. And there’s even more to the story. Chuck Kelly from BE/Elenos Group joins us for a lesson in highly sophisticated software defined transmission.