Clear Channel recently announced it’s started broadcasting traffic data information on 48 HD Radio-equipped stations around the country. It’s the first use of a digital radio signal for the delivery of content wholly separate from main program audio; the “Total Traffic Network” is a wholly-owned subsidiary of Clear Channel. It’s unclear how this service will compete with Clear Channel’s datacasting partnership with Microsoft, which also seeks to provide traffic information. Continue reading “HD Datacasting Begins In Earnest”