Mike:
Thanks for the great G5RV tips!
I really appreciate your insights as usual!
Will keep you and everyone posted.
73 from Tom Behler; KB8TYJ
----- Original Message -----
From: "Mike Duke, K5XU" <[log in to unmask]>
To: "Tom Behler" <[log in to unmask]>
Sent: Tuesday, August 14, 2012 6:20 PM
Subject: About Your G5RV
> Tom,
>
> The key with the G5RV, or any other more or less dipole, is to get at
> least the center as far above ground as possible. This gets all of the
> antenna, including the vertical section of ladder line, up in the air
> where it can do more good. It also gets that ladder line further away
> from your house, or from the neighbors, thus reducing local RF fields.
> So, use the tallest tree you can access to hold the center, and weave
> the ends around as necessary.
>
> While the G5RV, Carolina Windom, ETC, will operate fine as an inverted
> V, my experience is that the closer they are to being a flattop, the
> better they will perform. But don't worry about that if you can only
> go with an inverted V configuration. And, if the whole thing isn't
> exactly a straight line, that's okay too.
>
> Regarding the ballun, just wind about 10 turns of coax into a coil
> with at least a 6 inch diameter. I am now seeing articles that say
> don't let the first and last turn of the coil touch each other. This
> coil of coax will keep the feedline isolated, and reduce its radiation
> to a minimum, especially if the coil is near the connection to the
> ladder line. But, it will work wherever it happens to be located.
>
> It sounds to me as though your existing ground is quite sufficient for
> just about anything you will be using at the campground.
>
> Finally, I had to laugh when someone suggested making the legs of the
> G5RV from coax. What a waste of good coax cable.
>
> I ran a homemade double bazooka for 80 meters when I was a senior in
> high school. I never was convinced that thing worked any better, or
> was more broad than the #14 gage wire dipole that it replaced. Of
> course, part of that may have been that I wasn't totally sure of what
> I was doing when I built the bazooka.
>
>
>
> Mike Duke, K5XU
> American Council of Blind Radio Amateurs
>
>
>
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