I know some things that can help...you should have a nice digital air tuner in yours...(my girlfriend has nearly the same identical TV, but larger)...anyway, first time I had it 'search' for channels, I accidentally let it tune both Air + Cable, and was surprised when it came up with as many channels over-the-air digital as my own TV did WITH digital air antenna! So, you can scan for both. Secondly, try this site--www.tvfool.com--no kidding, it lets you enter your zip code and antenna height, and it'll give you the various channels you might expect to receive, PLUS what kind of antenna(s) you'd have to buy to get the various types (that's right--'surprise', there are different types of digital signals, jeez)...
Finally, go to 'www.monoprice.com' and buy one of their cheap-o (you'd think) but highly-valuable and quality digital air antennas (link at bottom of this post), or the RCA ANT751 antenna, or another good digital air antenna, and you'll have the best outfit you could hope for (unless you still have your old tower, and can put a good one, or larger one, on it!)...
That Monoprice 'generic' digital air antenna is the exact same one as you'd pay $60+ for at Radio Shack (I've bought both--I know)....
Happy Viewing!
that link to buy the Monoprice antenna:
>>click here
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