beam antenna
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Antennas : 160M- 160m 80m Vertical Antenna
- A dual band vertical antenna for 160 and 80 meters band, on a 18m spiderbeam fiberglass pole. This vertical is a good compromise when you want good performance on these two low ham bands and don't have the space to install two seperate antennas.
[ Hits: 186 | Votes: 0 | Rating: 0 ]
- VDA Antenna for 30m
new
- This project documents the construction and enhancement of a 30m Vertical Dipole Array (VDA) antenna inspired by Remco 7QNL article. Initial design utilized an 18m Spiderbeam pole and a 4m boom. Improvements included a lighter boom structure using fishing rods and a revised coaxial arrangement for enhanced mechanical stability.
[ Hits: 38 | Votes: 0 | Rating: 0 ]
- Low Bands Battle Creek Antenna
- This antenna is designed for 40, 80 and 160 meters to complement a tri-band beam normally taken on DX peditions for 10, 15 and 20 meters, so six bands can be worked with only two antennas.
[ Hits: 137 | Votes: 0 | Rating: 0 ]
- A 6m beam for portable operations
- A project for a six meters Yagi beam antenna, built mainly for portable operations. This is a 4 element Yagi beam with a 4 meters boom.
[ Hits: 77 | Votes: 0 | Rating: 0 ]
- 80m Vertical
- This is a FULL SIZE quarter-wavelength vertical made on a 18m Spiderbeam fiberglass telescoping Spiderpole
[ Hits: 139 | Votes: 0 | Rating: 0 ]
- Phased Array Antennas
- Phased array antennas are composed of multiple individual antenna elements that can have their phase and amplitude controlled to steer the main beam direction in real-time. They are used in radar, communications, and electronic warfare, and offer improved gain and reduced side lobes. A comprehensive document on Phased Arrays include techniques to increase the Antenna Gain and change the Radiation Pattern
[ Hits: 82 | Votes: 0 | Rating: 0 ]
- Full size 80m End Fed Half Wave Antenna
- The author reflects on expanding their antenna for 80m coverage during lockdown. They extend the End Fed Half Wave (EFHW) using a Spiderbeam pole and "cheating" by dog-legging across their garden. Despite challenges, they achieve coverage for multiple bands with minimal cost. Practical Wireless features EFHW antennas, including a pre-made 20m EFHW extended for 40m.
[ Hits: 94 | Votes: 0 | Rating: 0 ]
- My Cheap Hexbeam
- With an eye to the final cost I have built a good 20 meter monoband Hex Beam antenna.
[ Hits: 177 | Votes: 0 | Rating: 0 ]
- Homebrew HexBeam Antenna
- The Hex Beam page by W1GQL page, a document dedicated to home brewing hex beam antenna with dimensions, info on spreaders, wires to use, spacing tips, feed line information, mast to use, multi-band version and antenna height
[ Hits: 108 | Votes: 0 | Rating: 0 ]
- Three-Element Hex Beam Project
- Building the Three-Element Hex Beam. A project and construction phase of an HF hex-Beam antenna using trees to hang the antenna and a Channel Master antenna rotator.
[ Hits: 306 | Votes: 6 | Rating: 8.67 ]
- Moxon Mania - Building the Ultimate 4-Band Moxon Antenna
- The article details the design and construction of a four-band Moxon beam by a radio amateur. The beam, mounted atop a rooftop tower, aimed for gain over a dipole on 20 meters, cost under $500, and included additional bands. The design features fiberglass spreaders, four bands (20/15/10/6 meters), and a single feedpoint. The construction involved computer modeling, NEC source code, and specific dimensions. The article outlines the assembly, materials, and tuning process, including in-situ adjustments for optimal performance. Despite initial challenges, the beam improved signal strength and facilitated contacts on multiple bands, marking it as the best HF antenna the author has owned.
[ Hits: 96 | Votes: 0 | Rating: 0 ]
- 3 Band Mono Loop Portable Quad
- Handmade drawing of a 3 bands single loop, portable quad antenna used by the author during his dx pedition in Kenya as 5H3FM. This antenna is done using 3 telescopic spreaders and the spreader kit for 1 element quad by spiderbeam.
[ Hits: 132 | Votes: 0 | Rating: 0 ]
- 80m-40m Dual-Band Vertical
- A dual band 40-80 vertical antenna on an 18m Spiderbeam Fiberglass Spiderpole, with monoband performance
[ Hits: 160 | Votes: 2 | Rating: 10 ]
- DIY 850 MHz Yagi Antenna
- This DIY Yagi costs less than 20 Dollars, and let you increase the performance of your connection.
With this project you can build a better Yagi beam antenna resonant on 850MHz, a 8 element yagi directional antenna
[ Hits: 43 | Votes: 0 | Rating: 0 ]
- Wire Beam Antenna Types
- In this article the author feature the various types of beam antenna that can ben builw using wires, like moxon, spieder and hex beam, delta loops, bird yagi
[ Hits: 153 | Votes: 2 | Rating: 6 ]
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