We're using 711, 717, 723, 729, 865, 871, 877 and 883. Using 53 would work, but you might have an issue with channel 2 if the carrier bleeds over onto the video.
Never argue with an idiot, they will drag you down to their level and beat you with experience. Winston Churchill
This is CABL.com posting #306119. Tiny Link: cabl.co/mbrNz