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Hi-VHF 5-El FD-Yagi - OPTimized
Hi-VHF 5-Element Folded Dipole Yagi analyzed with 4nec2 after determining Dimensions using
nikiml's Python Optimization Scripts, assuming 3/8-in O.D. Aluminum Tubing and NON-METALLIC Boom.
If using a METAL Boom, a small Boom Correction MAY be Required, see Yagi Album Entry Webpage.
Boom Length = 28.3-in.

Hi-VHF Raw Gain = 7.3 to 8.7 to 8.1 dBi, F/B & F/R Ratio Min = 17.2 dB (GOOD) and SWR (300-ohms) under 2.4.
Date(s): 22 Jun 2019. Album by holl_ands. 1 - 13 of 13 Total. 789 Visits.
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Hi-VHF 5-El FD-Yagi - OPT
3D View


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Hi-VHF 5-El FD-Yagi - OPT
Front View
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Hi-VHF 5-El FD-Yagi - OPT
Top View
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Hi-VHF 5-El FD-Yagi - OPT
Hi-VHF Raw Gain = 7.3 to 8.7 to 8.1 dBi
Hi-VHF F/B & F/R Ratio Minimum = 17.2 dB


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Hi-VHF 5-El FD-Yagi - OPT
Hi-VHF SWR (300-ohm) Under 2.4


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Hi-VHF 5-El FD-Yagi - OPT
Hi-VHF Impedance


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Hi-VHF 5-El FD-Yagi - OPT
Azimuthal Pattern at 174 MHz


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Hi-VHF 5-El FD-Yagi - OPT
Azimuthal Pattern at 198 MHz


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Hi-VHF 5-El FD-Yagi - OPT
Azimuthal Pattern at 216 MHz


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Hi-VHF 5-El FD-Yagi - OPT
4nec2 File includes Summary of Dimensions


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Hi-VHF 5-El FD-Yagi - OPT
EVAL Summary of Performance


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Hi-VHF 5-El FD-Yagi - OPT
EVAL *.html Performance Summary


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Hi-VHF 5-El FD-Yagi - OPT
Side View
[1 large square = 2.5 inches]


 
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