I always thought it was to prevent them from showing a test pattern or endless demo loop while claiming that their HD channel is on the air. ----- Original Message ----- From: "Tom Barry" <trbarry@xxxxxxxxxxx> > > What possible use was the simulcast rule? > ---------------------------------------------------------------------- You can UNSUBSCRIBE from the OpenDTV list in two ways: - Using the UNSUBSCRIBE command in your user configuration settings at FreeLists.org - By sending a message to: opendtv-request@xxxxxxxxxxxxx with the word unsubscribe in the subject line.