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/diy/ - Do It Yourself

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>> No.1765561 [View]
File: 88 KB, 625x752, gp.png [View same] [iqdb] [saucenao] [google]
1765561

>>1765489
https://m0ukd.com/calculators/quarter-wave-ground-plane-antenna-calculator/
A 5..10 meter mast would be needed to keep the elevation low enough. Note that the 4 radials are part of the antenna, i.e. they radiate too. The angle of 45° is for the 50Ω feed coax. Some people use a (slightly shortened) CB GP.

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