This is an interesting thread to me. I was a system engineer in telecom during the boom years and our channels were +/- a fraction of a dB. When I saw my first cable plant I couldn't believe what I was seeing. Straight off the dish at the down link sight were all the individual channel demodulators and local insert capabilities. The on site techs were clueless and the channels were all over the map. You could easily see a 10 dB swing in audio levels switching from one channel to another. Absolutely no excuse for it just sloppy, lazy techs who could care less. Didn't even know how to measure video levels. I haven't looked at cable the same way since then. Just an observation.
Have a great day.
