[TowerTalk] Vertical dipoles

David Gilbert xdavid at cis-broadband.com
Tue Nov 17 12:16:24 PST 2009


The antenna described by K9YC is in fact fed at the center as can be 
verified by its feedpoint impedance, which is essentially the same as 
any other dipole.

73,
Dave   AB7E


Michael Goins wrote:
> Good information, but not necessarily for a regular vertical dipole
> center-fed with coax or feeders as it would essentially be a dipole
> set on end and fed in ther middle with the coax (or feeders) coming
> off at a right angle if at all possible. This is not difficult to do
> with the major problem being the overall height needed and the height
> above ground of the feedpoint. Relatively easy up to 30 meters, and
> considerably more difficult above that.
>
> Michael Goins, k5wmg
> Pipe Creek, Texas
> Fast cars, slow boats, big dogs, and summers off to write
>
>
> On Tue, Nov 17, 2009 at 10:23 AM, Jim Brown <jim at audiosystemsgroup.com> wrote:
>   
>> On Tue, 17 Nov 2009 08:01:03 -0700, Stu Ritter wrote:
>>
>>     
>>> Can anyone provide some references for constructing/feeding
>>> vertical dipoles for the low bands?
>>>       
>> Take a look at N6LF's website, which shows an interesting method.
>> Then look at http://audiosystemsgroup.com/NCDXACoaxChokesPPT.pdf
>> which shows my variation of that method using ferrite chokes.
>>
>> 73,
>>
>> Jim Brown K9YC
>>
>>
>>
>>
>> _______________________________________________
>>
>>
>>
>> _______________________________________________
>> TowerTalk mailing list
>> TowerTalk at contesting.com
>> http://lists.contesting.com/mailman/listinfo/towertalk
>>
>>     
> _______________________________________________
>
>
>
> _______________________________________________
> TowerTalk mailing list
> TowerTalk at contesting.com
> http://lists.contesting.com/mailman/listinfo/towertalk
>
>   


More information about the TowerTalk mailing list