digital tv channels question?

Jason G

New member
So i got this new hd dynex Tv. I also get normal comcast cable (channels 1-99, no DVR). So i get the normal channels with this new TV but i also notice channels such as 5.1 which is the HD version of channel 5 (which for me is NBC). They also have this for ABC and a few other stations. Plus, there are a ton of random channels in the 80's (such as 83.104) which are the Hd versions of other channels such as discovery. How can I organize them and find a way to find out which channels have HD counterparts hidden somewhere else? Thanks!!!
 
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