HD Channels and Transponders - DirecTV

#1
So some of my HD channels won't work and some do. My HBO, Showtime channels work. My local channels work but SyFi, HISTDH, COMCENTAL and others won't. My satellite transponder has some 0's reporting, is that the issue does my dish need to be re-aligned?


This question, "HD Channels and Transponders," is about DirecTV channels, programming, equipment, and sports.
 
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