An antenna is a beautiful thing - shiny aluminum tubing high above my rooftop catching the first rays of the sun as well as eight channels of the clearest high-definition television you can imagine.

After my review of an over-the-air DVR and antenna, I received a few emails asking how to pick and aim an antenna for the best HD TV reception. You'll need to know where the TV transmitters are ...

If the upcoming switch to HD digital broadcasting has you considering dropping cable for the free stuff, the AntennaWeb site can help find the receiver that will net the most channels at your address.