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 holl_ands | Home > Log-Yagi & Dual-Driven Antennas > 
Hi-VHF A-C Y-10-7-13 plus 2 RRs & 3 Dirs
Antennacraft Y-10-7-13 10-Element Dual-Driven Yagi PLUS two Additional Reflector Rods
and three Director Rods analyzed using 4nec2.  Boom Length = 149.7-in + Ends.

Additional Elements come from Front Boom and Rear Reflector Pair from re-purposed
MCM Stellar Labs 30-2475 8-El Folded Dipole Yagi, analyzed here:
http://imageevent.com/holl_ands/yagis/hivhf8elfdyagistellarlabs
Front of MCM Yagi attached "AS-IS" with NO CHANGES....NOT Re-Optimized Dimensions.

Ch7-12 Raw Gain = 9.6 to 14.0 dBi, but Roll-Off on Ch13 Might NOT be Real.
Ch7-12 SWR (300-ohms) under 2.5, but Rise on Ch13 May NOT be Real.

=====================================
Compare to Original Y10-7-13 Performance:
Ch7-12 Raw Gain = 7.5 to 12.8 dBi, but Ch13 Rolloff May NOT be Real.
Ch7-12 SWR(300-ohms) Under 1.7, but Rise on Ch13 May NOT be Real.

=====================================
UPDATE (21 Aug 2015): Rebuilt 4nec2 File, fixing a couple of very minor errors.
Although differences were negligible, I updated and reloaded ALL Images anyway.
Viewing 3D Model in EVAL *.html Performance File now displays correctly.
Date(s): 20 Aug 2015. Album by holl_ands. 1 - 15 of 15 Total. 5225 Visits.
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A-C Y-10-7-13 plus 2 RR's & 3 Dirs
3D View


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A-C Y-10-7-13 plus 2 RR's & 3 Dirs
Front View
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A-C Y-10-7-13 plus 2 RR's & 3 Dirs
Top View
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A-C Y-10-7-13 plus 2 RR's & 3 Dirs
Ch7-12 Raw Gain = 9.6 to 14.0 dBi
Roll-Off on Ch13 May NOT be Real.


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A-C Y-10-7-13 plus 2 RR's & 3 Dirs
Ch7-12 SWR (300-ohms) under 2.5
Rise on Ch13 May NOT be Real.


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A-C Y-10-7-13 plus 2 RR's & 3 Dirs
Hi-VHF Impedance


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A-C Y-10-7-13 plus 2 RR's & 3 Dirs
Azimuthal Pattern at 174 MHz


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A-C Y-10-7-13 plus 2 RR's & 3 Dirs
Azimuthal Pattern at 186 MHz


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A-C Y-10-7-13 plus 2 RR's & 3 Dirs
Azimuthal Pattern at 198 MHz


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A-C Y-10-7-13 plus 2 RR's & 3 Dirs
Azimuthal Pattern at 210 MHz


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A-C Y-10-7-13 plus 2 RR's & 3 Dirs
Azimuthal Pattern at 213 MHz


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A-C Y-10-7-13 plus 2 RR's & 3 Dirs
Azimuthal Pattern at 216 MHz


Enlarge Microsoft Word Document 13
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DOC13
A-C Y-10-7-13 plus 2 RR's & 3 Dirs
4nec2 File


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DOC14
A-C Y-10-7-13 plus 2 RR's & 3 Dirs
EVAL Performance Summary


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A-C Y-10-7-13 plus 2 RR's & 3 Dirs
EVAL *.html Performance File


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Charlton joined Collaborative in 1953 as an England Schoolboys prodigy with a big name and was yearning to filch his aim in Matt Busby's free-flowing team. With Tommy Taylor away with England on ecumenical duty on a game against Northern Ireland, his bulky inadvertent arrived, five days impecunious of his 19th birthday.
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