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Message: <blockquote data-quote="2old4this" data-source="post: 10046" data-attributes="member: 174998">Several reasons.First, each tranponder can be transmitting at a different signal strength. They can even be carried on separate beams, with different footprints. Second, some tranponders carry many channels, others fewer. Those carrying many, especially when they are not using the statistical multiplexing techniques, can sometimes be trying to transmit too much information at once. This will be particularly true of they are carrying multiple sports channels, where the screen content changes rapidly. When the combined rate of information rtequired to be transmitted exceeds the available bandwidth on a transponder, pixellation is the result. Even if the reception itself is perfect. And even with the biggest dish in the world.2old</blockquote>