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

Special page devoted to

Bidirectional Vertical Antenna for the 20- meter Band

Bidirectional Vertical Antenna for the 20- meter Band: By: Nikolay Kudryavchenko, UR0GT

One Ground Plane allows get one directional switchable DD. For this purpose to the GP a two wires should be added. With help an RF Relay (or just with help of manually installed jumper) the wires turn on to Director and Reflector.....

PDF file, 190 KB (ANTENTOP-01-2015, pp: 30- 31)

Download PDF File!

MMANA File

HTML Version

Contents for AntenTop 01- 2015

Design of the Bidirectional Vertical Antenna for the 20- meter 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
W4RNL IS LIVE!

Just for Fun:

Powered byIP2Location.com

Thanks for your time!

Last Updated:

February 4, 2018 18:22