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Antentop is FREE e-magazine devoted to Antennas and Amateur Radio an

Special page devoted to

Simple Folded Dipole Antenna

for the 20- meter Band

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ANTENTOP- 01- 2014 # 018

Simple Folded Dipole Antenna

for the 20- meter Band

 

 

 

 

 

Vladimir E. Tokarev, UA4HAZ

 

The antenna was designed for limited space. It may be installed on balcony, on fence or at backyard and masked on to rope for drying clothes. Antenna has input impedance cloth to 50- Ohm. Figure 1 shows drawing of the antenna.

 

Folded sides of the antenna may be placed vertically, horizontally or by another way.  Input impedance and resonance frequency of the antenna depends on to position of the antenna on to ground and on to different subjects. So antenna should be tuned in the place of its installation. You may compare parameters of the antenna installed on height of 3-meters abve the ground (Figure 2, Figure 3, Figure 4) with parameters of the antenna in free space (Figure 5, Figure 6, Figure 7).

 

MMANA file for the antenna may be downloaded at: http://www.antentop.org/018/ua4haz_018.htm

 

73! UA4HAZ

 

 

 

 

Figure 1 Simple Folded Dipole Antenna for the 20- meter Band

 

 

 

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May 1, 2016 22:33

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