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Simple 430-MHz 4-el YAGI for Mountains




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Simple 430- MHz 4-el YAGI for Mountains: Igor, UA6HJQ

The purpose of this design is to create an antenna for mountains. The antenna must correspond follow requirements: To have gain not less the 7-dB. Forward Gain is the main characteristic of the antenna. A wide lobe must be. During a QSO you can hold the antenna by the tail and shaking of the antenna should not result to full 'failure' of the communication. Simplicity in making and adjustments. An opportunity of fast repair in field conditions. Antenna weight with coaxial cable both must be up to 500 gram. 50-Ohm coax for the feeding must be used.

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Contents for AntenTop 03- 2003






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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
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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 8:00