Welcome to ANTENTOP, FREE e - magazine!

 

 

Google
 

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

Special page devoted to

A Helical Loop Antenna for the 20-meters Band

&

Top Load at Vertical Antennas

R

A Helical Loop Antenna for the 20-meters Band: By Vladimir Kuz'min, UA9JKW

Two years back I have moved to Nefteyugansk (Russia, Siberia) where I could not receive the sanction to installation for a full-sized HF- antenna on the roof of my house. , So I began to do experimenters with short indoors antennas.

Top Load at Vertical Antennas

All amateurs know if at a vertical antenna a top load it is used, the self -resonance of the vertical antenna would be lower then a vertical without the top load. How a top load does influence to antenna resonance?

 

PDF file, 230 KB (ANTENTOP-01-2004)

Download!

 

A Helical Loop Antenna for the 20-meters Band

 

 

 

 

Last Updated: July 8, 2008 21:51