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Vertical Open Stub Antenna for the 40 and 20- meter Band

 

Vertical Open Stub Antenna for the 40 and 20- meter Band: by: Nikolay Kudryavchenko, UR0GT

The antenna has enough good parameters at the 40 and 20 meter Bands. Antenna does not need any counterpoises. Antenna should place at some distance (say more the 1- meter) above the ground. To prevent radiation from the outer braid of the coaxial cable a good RF- Choke should be installed at the feeding terminals...

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Contents for AntenTop 01- 2011

 

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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:

January 19, 2020 19:29