HDTV Forum

Try:

http://100kwatts.tmi.net/listings.html
for tower height, lat/long and power.

ToddK

http://www.fcc.gov/mb/video/tvq.html

Look for the most recent info, usually an STA (special temporary authority) this will show the power they are really broadcasting at, most are not anywhere near the power levels listed in thier original application for a construction permit.

Tom