You can use http://www.tvfool.com/ http://www.tvfool.com/ to chart the strength of nearby TV signals based on your location. It includes both US and Canadian b

You can use http://www.tvfool.com/ http://www.tvfool.com/ to chart the strength of nearby TV signals based on your location. It includes both US and Canadian broadcast towers. I'd be interested to know the strength of the signals you're able to receive with your paper-towel-tube antenna design.