- G4CQM Homebrew/DIY Antenna Specialist -
VHF/UHF/SHF HAM (AMATEUR) RADIO YAGI AERIAL DESIGNS

 

2M (144MHz) 3.4WL 11ELE YAGI

 

Current Distribution Profile

Current Distribution Profile

 

Christopher Bartram GW4DGU builds this yagi

Chris Bartram GW4DGU builds the 2M-3.4WL high performance yagi

Christopher Bartram GW4DGU has built an excellent example of this high performance yagi, seen here just above the head unit. Chris used Netlon clips to hold the parasitic elements in place. Click on the image to enlarge.

 

E-Plane comparison with BVO-3WL

E-Plane comparison with BVO-3WL

 

H-Plane comparison with BVO-3WL

H-Plane comparison with BVO-3WL

 

DIMENSIONS

Elements 3/16 Inch OD
(4.76mm)
Position (mm) Length (mm)
Ref 0 1015
De 5/8 Inch OD (15.88mm) 601 1020
D1 732 973
D2 1230 937
D3 1938 919
D4 2779 902
D5 3649 895
D6 4542 889
D7 5417 889
D8 6303 895
D9 6993 881

NOTE: C=2.997925 X 108 meters/sec Design Optimised at 144.250MHz

 

SIMPLE BUT VERY EFFECTIVE! PRETTY GOOD YES?
'Netlon' mesh support clip on round boom. VSWR, F/R etc performance graphs.
NOW THATS A POLAR PATTERN! PRETTY GOOD TOO!
E-Plane plot. H-Plane plot.

 

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