[TowerTalk] trees and verticals

[larryjspammenot@teleport.com]

I agree. I've only gotten 291 countries with my Butternut HF6V on 40 Meters, and 241 on 80 meters with it. 5BDXCC and 5BWAZ. But no DXCC yet on 160M. Pretty pathetic!
LJ



-----Original Message-----
>From: Jim Chaggaris <jimc at pwrone.com>
>Sent: Dec 27, 2011 9:29 PM
>To: john at kk9a.com
>Cc: kr2q at optimum.net, towertalk at contesting.com
>Subject: Re: [TowerTalk] trees and verticals
>
>
>
>" A vertical is not a great antenna on 40m"
> 
>Huh?
> Best Regards,
>
>Jim N9WW
>
>James Chaggaris
>PowerOne Corp./PowerOne Environmental
>1020 Cedar Avenue
>Suite 203
>St. Charles, IL 60174
>Phn: (630) 443-6500
>Fax: (630) 443-6505
>Cell: (630) 669-2241
>
>-----Original Message-----
>From: john at kk9a.com
>Sent: Tuesday, December 27, 2011 5:55pm
>To: TOWERTALK at contesting.com
>Cc: kr2q at optimum.net
>Subject: Re: [TowerTalk] trees and verticals
>
>
>
>A vertical is not a great antenna on 40m, unless of course you have the base 
>in salt water. I just did a quick model of my lower shortened 2el 40m beam 
>which is at 75 feet and a vertical that I had already had a model of (which 
>was not elevated). The low yagi is 11dB stronger in the direction that it 
>is pointed at most useful lower radiation angles. The yagi is even 4 dB 
>stronger off the back. I did not compare the side lobes, but a 2 el beam is 
>not that directive so I doubt that the single vertical would ever be better 
>except for very high angle radiation which I have never seen on 40m. I do 
>not think that you can contribute your poor vertical performance to tree 
>absorption.
>
>73,
>John KK9A
>
>
>
>To: towertalk at contesting.com
>Subject: [TowerTalk] trees and verticals
>From: kr2q at optimum.net
>Date: Tue, 27 Dec 2011 15:53:20 +0000 (GMT)
>
>My FYI tale of vertically polarized antennas and trees.
>
>I have always lived in very heavily wooded areas and have always used
>horizontally
>polarized antennas on the top of crankup towers. They clear the tops of 
>"most"
>of
>the trees, but not all. They work REALLY WELL (I have an outstanding QTH) 
>for
>DXing.
>
>Wanting to "save rotor time," while contesting (with my 402CD), I put up a 
>GP
>(elevated
>vertical). It hangs from a tree. It is "full size" and has full sized
>elevated radials. My hope
>was that it would be louder than my 2L 40 when the 40 was pointed at EU (50
>degrees
>from NNJ) when I heard a new mult from the south (zone 8, 9, etc). The 
>"base"
>of the GP
>is about 20 feet above ground (and so are the radials, but they slope down
>somewhat). It
>was to be my "multiplier" antenna.
>
>That was not the case. The elevated vertical (GP) is always "weak" compared 
>to
>the 2L
>40, even when the yagi is pointed at EUR and I'm comparing to the South.
>The 40m yagi is at about 80 feet.
>
>Now, I would expect the yagi to be louder to EUR as compared to the GP, but 
>not
>so
>to CA/SA, which, at best, is off the back corner of the beam when beaming 
>EUR.
>
>The GP vertical element is supported by the trunk of the tree, so it is 
>"right
>next to" the
>tree trunk.
>
><snip>
>de Doug KR2Q