I'm thinking about modifying the LNBs on a retired Slimline/AU9 dish so that the middle LNB (for 110W) is disabled and the end LNB (for 119W) is passed through unfiltered when a 22 kHz signal is present. With 22 kHz on, transponders 8, 10, and 12 (and probably some neighbors) from the end/119W...