Over the Air HDTV

Last night, I tested the TV in anticipation of the 2008 Beijing Olympics opening ceremony. I could see all the major channels clearly except for one: KNTV – NBC 11. Uh oh. Fortunately, I had an older television in another room. I switched it to NBC and the signal was clean. Same over-the-air antenna. Since none of this was making sense to me, I went ahead and switched the coaxial cable connecting the jack to the television. Bingo! A clear signal on both TVs now. While that solved my problem, I still don’t understand why it worked. Was the original cable loose? Can a loose cable only degrade the signal of one station and not the others?

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