I know this is an old post, but I wanted to bring up a fact about digital television.
Just because a channel number is low (below channel 14), that doesn't mean that it's not a UHF channel. Most channels are remapped as a virtual channel, and a lot of lower channels are actually UHF. That's why it's probably best to refer to http://www.tvfool.com/index.php?option=com_wrapper&Itemid=29 to find out which channels are in the UHF spectrum.
You will see two columns: real and virtual (mapped) channels. Real channels reported with numbers 14 and above are UHF.