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Hi-VHF 20-El FD-Yagi - OPTimized
Hi-VHF 20-Element Folded Dipole Yagi analyzed using 4nec2 after determining Dimensions using
nikiml's Python Optimization Scripts.
Boom Length = 272-inches (22.7-ft).

Hi-VHF Raw Gain = 10.9 to 16.4 to 15.9 dBi, F/B & F/R Ratio Min. = 22.4 dB (EXCL) and SWR (300-ohms) Under 1.7.
Date(s): 10 May 2015. Album by holl_ands. 1 - 21 of 21 Total. 1985 Visits.
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Hi-VHF 20-El FD-Yagi - OPT
3D View


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Hi-VHF 20-El FD-Yagi - OPT
Front View
[1 large square = 1.25 inches]


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Hi-VHF 20-El FD-Yagi - OPT
Top View
[1 large square = 25 inches]


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Hi-VHF 20-El FD-Yagi - OPT
Hi-VHF Raw Gain = 10.9 to 16.4 to 15.9 dBi
Hi-VHF F/B & F/R Ratio Minimum = 22.4 dB


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Hi-VHF 20-El FD-Yagi - OPT
Hi-VHF SWR (300-ohms) Under 1.7


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Hi-VHF 20-El FD-Yagi - OPT
Hi-VHF Impedance


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Hi-VHF 20-El FD-Yagi - OPT
Azimuthal Pattern at 174 MHz


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Hi-VHF 20-El FD-Yagi - OPT
Azimuthal Pattern at 186 MHz


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Hi-VHF 20-El FD-Yagi - OPT
Azimuthal Pattern at 198 MHz


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Hi-VHF 20-El FD-Yagi - OPT
Azimuthal Pattern at 204 MHz


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Hi-VHF 20-El FD-Yagi - OPT
Azimuthal Pattern at 210 MHz


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Hi-VHF 20-El FD-Yagi - OPT
Azimuthal Pattern at 216 MHz


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Hi-VHF 20-El FD-Yagi - OPT
Elevation Pattern at 174 MHz


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Hi-VHF 20-El FD-Yagi - OPT
Elevation Pattern at 186 MHz


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Hi-VHF 20-El FD-Yagi - OPT
Elevation Pattern at 198 MHz


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Hi-VHF 20-El FD-Yagi - OPT
Elevation Pattern at 204 MHz


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Hi-VHF 20-El FD-Yagi - OPT
Elevation Pattern at 210 MHz


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Hi-VHF 20-El FD-Yagi - OPT
Elevation Pattern at 216 MHz


Enlarge Microsoft Word Document 19
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Hi-VHF 20-El FD-Yagi - OPT
4nec2 File includes Summary of Dimensions


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Hi-VHF 20-El FD-Yagi - OPT
EVAL Summary of Performance


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Hi-VHF 20-El FD-Yagi - OPT
EVAL *.html Performance Summary


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