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"Robert Lyons" wrote in message ... I'm hoping someone can enlighten me. I frequently see Yagi antennas mounted on commercial buildings. They are usually relatively simple, probably mono- band units, aimed at the horizon. What's puzzling is that many of these tend to be polarized *not* vertically or horizontally, but at a 45 degree tilt! Can anyone explain that? (I know nothing about the specific busineses or the purpose of the antennas, so I can't speculate about what's at the other end of the radio signal). Bob, KI8AB (remove 'duct tape' to respond) To have some signal for both Horizontal and vertical. |