The performance of this antenna is excellent. Note that it uses “X directors”, similar to antennas by Blake. X directors add some gain, but they add a lot more weight and wind resistance. The author believes this antenna is more likely to come down in bad weather, so an extra strong mounting is recommended. This antenna is also more likely to be fouled by accumulating snow.
High gain antennas like this one are big, hard to aim, and hard to keep up in bad weather. The author does not normally recommend this antenna inside 25 miles. But there are two exceptions to this:
This page is part of “An HDTV Primer”, which starts at www.hdtvprimer.com