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UHF 18-El FD-Yagi (2ReflRods) - OPT
UHF 18-Element Folded Dipole Yagi with 2 Reflector Rods, Optimized using nikiml' Python Scripts
and analyzed using 4nec2.
Boom Length = 68.3 inches.

UHF Raw Gain = 10.0 to 14.9 dBi, UHF F/B & F/R Minimum = 24.3 dB and SWR (300-ohms) Under 1.8.
Date(s): 21 Jul 2013. Album by holl_ands. 1 - 17 of 17 Total. 4897 Visits.
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UHF 18-El FD-Yagi (2ReflRods) - OPT
3D View

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UHF 18-El FD-Yagi (2ReflRods) - OPT
Front View
[1 large square = 1.25 inches]

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UHF 18-El FD-Yagi (2ReflRods) - OPT
Top View
[1 large square = 5 inches]

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UHF 18-El FD-Yagi (2ReflRods) - OPT
UHF Raw Gain = 10.0 to 14.9 dBi
UHF F/B & F/R Minimum = 24.3 dB

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UHF 18-El FD-Yagi (2ReflRods) - OPT
UHF SWR (300-ohms) Under 1.8

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UHF 18-El FD-Yagi (2ReflRods) - OPT
UHF Impedance

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UHF 18-El FD-Yagi (2ReflRods) - OPT
UHF Raw Gain = 10.0 to 14.9 dBi
UHF F/B & F/R Minimum = 24.3 dB

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DOC8
UHF 18-El FD-Yagi (2ReflRods) - OPT
4nec2 File

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DOC9
UHF 18-El FD-Yagi (2ReflRods) - OPT
Contents of Python Control *.bat text File

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UHF 18-El FD-Yagi (2ReflRods) - OPT
Azimuthal Pattern at 470 MHz

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UHF 18-El FD-Yagi (2ReflRods) - OPT
Azimuthal Pattern at 530 MHz

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UHF 18-El FD-Yagi (2ReflRods) - OPT
Azimuthal Pattern at 590 MHz

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UHF 18-El FD-Yagi (2ReflRods) - OPT
Azimuthal Pattern at 650 MHz

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UHF 18-El FD-Yagi (2ReflRods) - OPT
Azimuthal Pattern at 698 MHz

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UHF 18-El FD-Yagi (2ReflRods) - OPT
Azimuthal Pattern at 758 MHz

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UHF 18-El FD-Yagi (2ReflRods) - OPT
Azimuthal Pattern at 806 MHz

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UHF 18-El FD-Yagi (2ReflRods) - OPT
Side View
[1 large square = 5 inches]

 
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lots of good info for us antenna buffs
 - Gene, Tue, 25 May 2021 4:11PM