On Thu, 1 Nov 2007 23:15:05 +0000 (UTC), wrote:


wrote:

The higher it is, the better your tv reception, but the greater chance
of getting hit by lightening. It MUST be at least 4 feet above the
roof. More if the roof is metal. Put a tripod on the roof with at
least a 5 ft. pole.

Hmm, my roof is metal. Why does it needs to be higher with metal roof?
How high does it need to be?

I think 1/2 to one wavelengths away would do the trick. Figure the width of the
antenna as a spacing from antenna to roof.