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post #1 of 4 Old 07-14-2012, 04:35 PM - Thread Starter
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I have an outdoor antenna mounted on my chimney so it is about 12-15' off the ground. It faces toward the stations that I use so it is pointed correctly. The strange issue is, whenever a car or truck drives by, reception is completely lost for about 5-10 seconds. It's obvious to me that it is some kind of interference, but really?

Thanks in advance for your help!!!
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post #2 of 4 Old 07-14-2012, 04:58 PM
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Interference from the signals reflected off the moving vehicle.

The usual solution is some combination of antenna siting that minimizes reflections and using a more directional antenna, sometimes with an up-tilt.
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post #3 of 4 Old 07-15-2012, 08:26 AM
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Also, how far are you from the stations?
Ignition noise from nearby cars can interfere with very weak signals....sometimes you can move the antenna to the other end of the house, so the roof blocks the antenna from "seeing" the street, or raise the antenna up higher, so it can more readily "see" the TV towers.

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post #4 of 4 Old 07-16-2012, 03:45 PM - Thread Starter
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Wow, alright. The farthest away is 14 miles according to antennaweb. I think if I tilt the antenna up a bit, signal will improve. A large maple tree in front of the antenna is coming down in a couple weeks so hopefully that will help with signal also. Makes sense what you said about the roof blocking noise. Antenna is about 5 feet above the roof surface, but I really don't have anywhere else to mount it to, like on the 2nd level of the roof.

Thanks guys!
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