Fed from the bottom with series inductor and shunt capacitor.
You can now buy a version of this from Par Electronics.
On 4/24/2011 6:11 PM, Gary Schafer wrote:
> How did you feed the 1/2 wave vertical. From the center or the bottom?
> Gary K4FMX
>> -----Original Message-----
>> From: firstname.lastname@example.org [mailto:towertalk-
>> email@example.com] On Behalf Of Rick Karlquist
>> Sent: Sunday, April 24, 2011 7:21 PM
>> It is difficult to feed a vertical dipole in the traditional
>> way in the center without the feedline affecting the pattern.
>> It is also tricky to feed it from the bottom, as a half wave
>> vertical. I did some direct A/B tests comparing a 1/4 wave
>> vertical to a 1/2 wave vertical on 20 meters. They were
>> virtually indisinguishable, with maybe a slight edge going
>> to the 1/2 wave vertical. You can call that a vertical dipole
>> if you want. It had no radials by the way, while the 1/4 wave
>> vertical had 32 1/4 wave radials. YMMV.
>> Rick N6RK
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