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80 m antenna

Here is a description of my 80 m amateur antenna. It is a full size dipol requiering only a limited space. This is due to folding of the legs to an angle of 105 degree in the horisontal plane.

  
The legs are each app. 19,75 m, giving resonance at 3700 KHz. The feeder is 50 ohm URM43 (RG58), length is chosen as half a wavelength. The shortning facto for the cable is 0.66. Half a wavelength is: (300/3700)x0.66=26.76 m. By using a feeder of half a wavelength you...

 

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