Answer by Aleksander Alekseev - R2AUK for How to estimate a dipole feedpoint...
There are at least two ways. Firstly, you can use the antenna modeller (I prefer cocoaNEC) to estimate an impedance of the antenna at given frequency. From personal experience it doesn't work that well...
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Answer by Phil Frost - W8II for How to estimate a dipole feedpoint impedance?
Read it off this chart: Interferometrist [CC BY-SA 4.0], via Wikimedia Commons A folded dipole with equal-sized conductors has 4x the impedance of an ordinary dipole. The impedance repeats every...
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An ideal dipole, at resonance, will have an impedance around 73 ohms. A folded dipole, around 280 ohms. How can I calculate the impedances when not at resonance? Let's assume I have a span of 15M in...
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