Quincy, IL - Jun 4, 2007 - The online courses will be offered live from June 21 through Aug.2. Topics for the seminars include messagecasting, multicasting and webcasting, including practical HD Radio workshops for engineers as well as managers. Registration begins June 1 on the BE website and is limited to 25 participants per session. Presentations are offered twice in the same week to give as many broadcasters as possible an opportunity to participate.