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The antenna designs presented here are specifically cut to the dimensions necessary f or proper operation in 140 -150 MHz VHF band. Each chapter deals with a particular design and an extra chapter at the last part is added to help the constructor in converting the given antenna dimensions for other frequencies.
This page contains construction details on a 2 metre 144MHz VHF Yagi beam antenna, designed for portable use. Since an old 5 element version (v1) of my antenna was shown in the July 2011 edition of RadCom, a few people have contacted me asking for some information on how it was constructed.
A ground plane antenna for 2m or 70cm is one of the simplest antennas to build and get working, and it can work quite well for repeater or simplex operation. It is easy to build for other bands as well. I’ll show you several different construction methods that you can use, based on the materials you have available.
An antenna is a transducer that converts radio frequency electric current to electromagnetic waves that are then radiated into space. The electric field plane determines the polarization or orientation of the radio wave. In general, most antennas radiate either linear or circular polarization.
This page is a JavaScript ® enhanced web page that implements the design of an antenna in the VHF, UHF, and Microwave frequency range with High Gain (11.8 to 21.6 dBd) and Long Boom Lengths (2.2 to 39 Wavelengths). Lower frequency antennas that have these attributes tend to be physically impractical.
VHF/UHF Yagi Antenna Design. Design your VHF UHF Yagi antenna online, a JavaScript enhanced web page that implements the design of an antenna for 2m and 70cm bands. This page offers a streamlined experience for Yagi antenna design enthusiasts.
This book contains everything you need to understand how radio signals propagate, how antennas work, and how to construct your own antenna system. Use The ARRL Antenna Book to build hundreds of antenna designs: dipoles, verticals, loops, beams, and more.
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powiązane z: vhf antenna designsHot Deals, Cool Gear, and Helpful Tips. Shop Now and Discover the Crutchfield Difference. Since 1974 We've Been Helping Customers Choose, Use and Enjoy Audio, Video and More.
