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Ch13 8-El Yagi - OPTimized by K6STI
Ch13 8-Element Yagi, optimized by K6STI for Gain, SWR and especially Front/Back & Front/Rear Ratios.
Boom Length = 95 inches.

Ch13 Raw Gain=12.9-13.3 dBi. F2R=28.9-33.5 dB. F2B=31.8-41.0 dB.
SWR under 2.56 (w/o shunt cap.) and under 1.19 (with 8.547466 pF shunt capacitor across Feedpoint).
Date(s): 19 Sep 2011. Album by holl_ands. 1 - 17 of 17 Total. 5827 Visits.
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Ch13 8-El. Yagi, opt. by K6STI
3D View


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Ch13 8-El. Yagi, opt. by K6STI
Top View
[1 big box = 5-inches]


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Ch13 8-El. Yagi, opt. by K6STI
Front View
[1 big box = 2.5-inches]


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Ch13 8-El. Yagi, opt. by K6STI
Ch11-13 Raw Gain
[Without Shunt Capacitor]


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Ch13 8-El. Yagi, opt. by K6STI
Ch11-13 SWR (75-ohms)
[Without Shunt Capacitor]


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Ch13 8-El. Yagi, opt. by K6STI
Ch11-13 Impedance
[Without Shunt Capacitor]


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Ch13 8-El. Yagi, opt. by K6STI
Ch11-13 Raw Gain
[With 8.55 pF Shunt Capacitor]


Enlarge photo 8
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Ch13 8-El. Yagi, opt. by K6STI
Ch11-13 SWR (75-ohms)
[With 8.55 pF Shunt Capacitor]


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Ch13 8-El. Yagi, opt. by K6STI
Ch11-13 Impedance
[With 8.55 pF Shunt Capacitor]


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Ch13 8-El. Yagi, opt. by K6STI
Azimuthal Pattern at 201 MHz (Ch11)


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Ch13 8-El. Yagi, opt. by K6STI
Azimuthal Pattern at 207 MHz (Ch12)


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Ch13 8-El. Yagi, opt. by K6STI
Azimuthal Pattern at 210 MHz


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Ch13 8-El. Yagi, opt. by K6STI
Azimuthal Pattern at 212 MHz


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Ch13 8-El. Yagi, opt. by K6STI
Azimuthal Pattern at 214 MHz


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Ch13 8-El. Yagi, opt. by K6STI
Azimuthal Pattern at 216 MHz


Enlarge Microsoft Word Document 16
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DOC16
Ch13 8-El. Yagi, opt. by K6STI
4nec2 File


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Ch13 8-El. Yagi, opt. by K6STI
L-Pi-T Matching With 8.55 pF Shunt Capacitor
Series Inductance = 0.1 nH (negligible)


 
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