Yep, snow. The excuse I heard was 'viewers already see snow in the NTSC signal, what difference does a little more make'. The datarate is around 3Mbits AFAIK. Cheers Kon > Yes, it is yet another carrier added to the visual carrier, in a similar way > that chroma is part of the visual carrier, yet on a spectrum analyzer it > appears to be a separate carrier of it's own between the visual and aural > carriers, especially when transmitting a red raster. > > And judging from the reports so far from fellow PBS stations where the > equipment is installed, it is not 100% transparent to the viewer. ---------------------------------------------------------------------- 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.