Create your own antenna

found this link that describes antennas. Keep in mind that you will need to know the broadcast channel and not just the display channel.

http://www.hdtvprimer.com/antennas/basics.html

Yep create your own antenna:

http://m4antenna.eastmasonvilleweather.com/

One can customize an antenna for the frequencies required.

This forum also has a wealth of information concerning antenna design and construction:

http://www.digitalhome.ca/forum/186-antenna-research-development/