What about broadcasting the analog and digital services simultaneously? Analog and digital services can be broadcast simultaneously ("simulcasting") until digital services become commonplace so that viewers have a reasonable period to purchase digital radio receivers. However, some in-band systems have been reported as causing some interference to the host analog signal. Beran _________________________________________________________________ MSN Photos is the easiest way to share and print your photos: http://photos.msn.com/support/worldwide.aspx <<//\\>>//\\<<//\\>>//\\<<//\\>>//\\<<//\\>>//\\<<//\\>> To view archives of postings, go to the Gambia-L Web interface at: http://maelstrom.stjohns.edu/archives/gambia-l.html To contact the List Management, please send an e-mail to: [log in to unmask] <<//\\>>//\\<<//\\>>//\\<<//\\>>//\\<<//\\>>//\\<<//\\>>