I'm on Charter in Tennessee and it looks like I have the Fox Sports 1 in HD on the 824, and SD or lower on channels 309 and 38 as those two channels are displaying in the picture frame mode with the smaller screen and are kind of bleary and displays "artifacts" at times as the background moves. My HD channel on 824 is clear and sharp.
With the game showing up on two or three channels of various quality here I would ask when you had your system last scan for all available channels and have you looked for the same show on more than channel at the same time? If they all display the exact same inferior picture size/quality then possibly your local head end is trying to give you Fox Sports 1 on the cheap and just repeating the SD channel from the satellite feed, assuming they even know the difference.
According to this listing »
tvlistings.aol.com/listi ··· 27_17X00 channel 763 (FS1HD) should be in HD on your system, channel 40 for SD or lower. If channel 763 is the problem channel then it sounds like it's time to complain to Carter.