EV>In olden times a TV Channel occupied 6 Megacycle of space,   
   EV>iirc Video used 4.3 Megacycles of the space and Audio used the rest.   
      
   The Channel is still 6 Mhz but becasue of digital compression   
   capabilities the channel can be subdivided as I mentioned   
      
   EV>I will have to read up on that 720p and 480i stuff some to understand   
   EV>it.  Watch out Wikipedia, here I come. I read up on lots of things even   
   EV>though I know some of what is written is personal opinion and not fact.   
      
   EV>Is the main frequency that Digital TV Channel 21 point whatever,   
   EV>transmits on Channel 21 or Channel 8. what I saw on TVFOOL.com messed   
   EV>up my mind, which is already messed up a bunch just by my playing with   
   EV>computers   
      
   All transmissions are on the over the air channel the TV is picking up,   
   Ch 8 in the case you are talking about   
      
   EV>I think I've seen point 6 on one of the Stations we can get,   
   EV>If I'm reading wht You wrote right they are transmitting the point 1   
   EV>channel at 720p and five other 480i channels.   
      
   Correct. As a side note if the broadcaster is willing to reduce the   
   resoolution of the broadcants they can get even more Channels. As an   
   example  KAXT-CD in San Francisco is believed to have the most feeds of   
   any individual over-the-air broadcaster, with twelve video feeds (all   
   transmitted in the old standard definition)   
      
   ---   
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