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A Helical Loop Antenna for the 20-meters Band

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Top Load at Vertical Antennas

 

 

 

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Top Load at Vertical Antennas

 

 

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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, pp.: 60- 62)

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Contents for AntenTop 01- 2004

 

 

A Helical Loop Antenna for the 20-meters Band

 

 

 


 

Lightning Links to Open Book
Antenna Theory Helical Antennas Useful Pieces Simple Keys
Antenna Practice TV Antennas Propagation QRO HF Tube Amplifiers
136 kHz- Antennas Coaxial cables LDE QRO HF Transistor Amplifiers
HF- Antennas Two wire lines Interferences QRP
HF- RX Antennas Feeder's Toolkit Filters TVI/RFI QRP PA
50- MHz Antennas HF ATU Homebrew Receivers Radio and Ham History
VHF- Antennas ATU for the 6- meters Homebrew Transmitters Old Russian/USSR Radio Equipment
UHF -Antennas Antenna Parts Matching Circuit for P.A Amateurs Awards
EH- Antennas Antenna Towers QRP Transceivers Free Radio and Electronics e- Books
TV Channels and Frequencies Reception of Weather Stations Useful Data FM Radio Channels and Frequencies
MagLoop Antennas Home-Brew Technics in Antenna Tools PSU for Amateur Radio from Computer Free Programme and Utility

 

 

 

 

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Last Updated:

March 29, 2016 8:10