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Sonny Hood wrote in
: After Google search no luck on any data on gain for this antenna. Just installed with apex at 33 feet and has 27 degrees full length is 116.63 feet long and has a reduced length of 2.064%. Is there any gain over a point incident antenna? I don't understand some of your terminology or precision. However, as others have told you, a dipole close to ground has a major lobe that is upwards, and probably at the zenith. The maximum gain depends on height and ground chacteristics. The article at http://www.vk1od.net/buddipole/index.htm shows the modelled pattern of a 40m inverted V and Buddipole and you will see from Fig 2 and Table 1 that the major lobe may be quite high (zenith), and the max gain may be quite high in the case of the inverted V (6dBi). The Buddipole maximum gain is affected to some extent by the antenna's conductor losses, but greatly by the proximity to ground and losses in heating the soil. Your antenna looks like it is intended for 80m (you leave us guessing), so it is at lower relative height than the inverted V in the article. Owen |
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