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Spreading and Underground Antennas

Spreading and Underground Antennas: by: Igor Grigorov, VA3ZNW

It was in the end of 1980s, during at my trip by bus from Gorkiy (now Nizniy Novgorod, Russia) to a small town at this region, while on route to my destination, I observed a huge field fenced with barbed wire. I asked my local fellow traveler what it might be and he replied that it was a military communications site. However, I noticed there weren't any antennas visible. My companion remarked that they were installed underground! So, for the first time I had seen an underground communications site.…

 

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Contents for AntenTop 01- 2019

 

 

 

 

Underground Short Wave Radio Site

 

 

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:

December 29, 2019 12:23