I'm using a $15 antenna I just bought from best buy.
http://www.bestbuy.com/site/RCA+-+UH...enna&cp=1&lp=5
I live in a 4-flat brownstone apartment building.
I'm not sure if this is the map you're talking about
:
http://www.tvfool.com/?option=com_wr...ec12fce96a9ab8