The big problem?
Take a look at TiVoFan's site. That is only for the DirecTV 4S satellite at 101. The list was started just before must-carry kicked in on 1 January, 2002. DirecTV managed to get DirecTV 4S online about four days earlier, and the work on TiVoFan's site is the fruits of that labor.
Of course, back then, the main type of receiver and dish in use was not the multi-slot dish. Fast forward to 2004, and all these new markets added to DirecTV 7S at 119 required those mulit-slot dishes and receivers. Many people gave me their readings for locals. But I was left with holes.
And it doesn't surprise me that no one ever answered the call for the southern section of Texas.