A "standard" needle pulse test pattern has a series of blocks in the center. I'm pretty sure I read once that the blocks are arranged with 100 IRE on the top, and then each successive block is half that. Can anyone confirm? ---------------------------------------------------------------------- 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.