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Old 25-Jul-2013, 3:04 PM   #3
elmo
Senior Member
 
Join Date: May 2010
Posts: 232
I'll leave the grounding to those who know that subject well. It's not really too hard to do, but if not done right, you could be in for a shock.

So anyway, the 751 is a fine antenna for gathering channels from a range of directions. And since you have it, mount it and see how it does. The 20 miles isn't an issue for it. Now that you're on the roof, it should perform better. I'd start at 47 degrees by the compass, then tweak as needed. Keeping it pointed away from ABC since that's so strong, will help tune that down a bit, which can be a good thing sometimes. And if it doesn't work out, you can always go for a DB4E as it is a good antenna too. It's not VHF tuned but with ABC virtually next door, it'll tune it as you've seen by your DIY. So if you're more inclined to go that route, I don't see an issue. The reflector grid should help to boost reception. The gain profile seems to increase as does the real Ch # increases, according the the tech specs on it.

Of course, avoid all the trees and buildings and runways that you can.

Good luck and keep us posted.
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