Quote: > Doctor Brown saying in passing that phase-line alternation had been > considered by NTSC early on, but was decided against as being unnecessary. >> > Al During the NTSC at 50´s, Philco creates CPM - Colour Phase Modulation, not adopted in American Pattern, but is the first basis of Dr. Bruch´s PAL - Peace At Least! Jonas ---------------------------------------------------------------------- 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.