en:gpant
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en:gpant [2016/06/11 19:20] – kaklik | en:gpant [2019/05/03 15:27] – [Ground plane 1/4 lambda antenna] fluktuacia | ||
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====== Ground plane 1/4 lambda antenna ====== | ====== Ground plane 1/4 lambda antenna ====== | ||
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- | [[http:// | + | Its disadvantage i that the radiation pattern drops sharply to zero at zenith, making it very difficult to detect meteors flying directly over the head (compared to visual observation). |
+ | ==== Construction ==== | ||
Antenna socket connector is [[http:// | Antenna socket connector is [[http:// | ||
antenna plug is [[http:// | antenna plug is [[http:// | ||
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The total length of 143MHz active element is 499mm and the length of short circuited stub from RG213 is 346mm. | The total length of 143MHz active element is 499mm and the length of short circuited stub from RG213 is 346mm. |
en/gpant.txt · Last modified: 2019/05/03 15:28 by fluktuacia