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Outdoor Window Mounted HF Helical Antennas

Outdoor Window Mounted HF Helical Antennas: by: Igor Grigorov, VA3ZNW

In the far 90s it was installed and tested several outdoor HF helical antennas. About two designs of the antennas is the article. The antennas were mounted on the clothes drier installed at the first floor of the 9 story building. Height from the ground to the clothes drier was near two meter...
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PDF file, 190 KB (ANTENTOP-01-2020, pp.:40- 43)

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Contents for AntenTop 01- 2020

 

 

Design of the Helical Antenna with Tuned Helix

 

 

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 30, 2021 18:26