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Re: [TowerTalk] G5RV vs 40M dipole

To: towertalk@contesting.com
Subject: Re: [TowerTalk] G5RV vs 40M dipole
From: David Gilbert <xdavid@cis-broadband.com>
Date: Sun, 26 Apr 2015 11:56:39 -0700
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>

I don't understand. Why would you expect them to? If you're trying to have a general purpose type of antenna I would think that pseudo-omnidirectionality would be a good thing.

Dave   AB7E


On 4/26/2015 10:46 AM, Bry Carling wrote:
Funny but those six major lobes never seemed to hold mine back at all.

Best regards - Brian Carling
AF4K Crystals Co.
117 Sterling Pine St.
Sanford, FL 32773

Tel: +USA 321-262-5471




On Apr 26, 2015, at 4:26 AM, Steve Hunt <steve@karinya.net> wrote:

The 51ft "G5RV" performs well on 40m, 20m and 10m - bands where the SWR(50) at 
the ladderline/coax junction is moderate. On other bands the SWR(50) is high, and how 
well it performs will depend on the length and quality of your coax run.

On 40m you will notice little difference compared to a half-wave dipole; on 20m 
it has a small amount of broadside gain over a half-wave dipole; and on 10m the 
azimuth pattern has broken into 6 major lobes, with best performance at 45 
degrees to the direction of the wire

Using a good CM choke at the coax/ladderline junction is important - it will 
reduce radiation from the ladderline section and noise pick up on the coax run.

Steve G3TXQ


On 25/04/2015 21:11, Dick NY1E wrote:
I'm operating from a small lot in Florida winters, I have a 40M dipole up but 
it doesn't quite fit my opening, it is into the branches 5 or 6 feet. I wonder 
what the 51' G5RV would perform like compared to the dipole on 40, and as a 
bonus I might get some other bands...   Any ideas???de Dick  NY1E/4www.ny1e.com
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