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

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Directional Helical Antennas

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ANTENTOP- 01- 2010, # 012

Directional Helical Antennas

 

 

Figure 2 Ending of the Helical Dipole

 

 

Figure 3 Design of the Directional Dipole Helical Antenna

 

Directional Dipole Helical Antenna was tested compare with WINDOM for the 20- meters Windom had overall length 10-m. The WINDOM had maxima radiation to the South.

 

At 1-km to the South from the tested antennas was installed a receiver with S-Meter. Table 1 shows the Data obtained from the test.

 

 

Title of the article

Directional Helical Antennas

From Radio # 7 1958

 

 

 

www.antentop.org

Page-35

 

34 35 36 37

 

 

 


 

 

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August 2, 2016 18:10

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