Digital TV crystal-clear, but ‘multicasting’ model blurry: Making a buck from spare digital TV channels is a challenge, though one firm is eyeing city for wireless cable
While Multicast Networks Group plans to offer TV stations a network of programs they can run on their digital channels, pioneers in so-called “multicasting” of digital signals have had other visions. And like many pioneers, they’ve taken arrows. Jeff Smulyan, president of Indianapolisbased radio and TV empire Emmis Communications Corp., last year proposed leasing unused digital bandwidth from TV stations. Once he gained enough of these unused channels in a given market, he planned to deliver a sort of over-the-air…