Yagi 27~28Mhz 7E TopGun





Frequency     :  27.425  MHz, (useful from 26.8765 to 27.9735)
Wavelength    :  10939  mm
Rod Diameter  :  12.7875  mm
Boom Diameter :  40  mm
Boom Length   :  13590  mm
d/lambda      :  0.001    ( min.: 0.002 , max.: 0.01 )
D/lambda      :  0.010    ( min.: 0.01 , max.: 0.05 )
Elements      :  7
Gain          :  9.88 dBd (approx.)
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Reflector Length   : 5273 mm
Reflector Position :  0 mm
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Dipole Position    : 2625 mm
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Director #1 Position : 3446 mm ,  Length : 4975 mm
Distance Dipole - Dir. #1 : 820 mm 
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Director #2 Position : 5415 mm ,  Length : 4927 mm
Distance Dir. #1 - Dir. #2 : 1969 mm 
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Director #3 Position : 7767 mm ,  Length : 4884 mm
Distance Dir. #2 - Dir. #3 : 2352 mm 
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Director #4 Position : 10501 mm ,  Length : 4844 mm
Distance Dir. #3 - Dir. #4 : 2735 mm 
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Director #5 Position : 13564 mm ,  Length : 4809 mm
Distance Dir. #4 - Dir. #5 : 3063 mm 
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Directors / Parasitics are isolated.
Please choose an isolater thicker than : 55 mm