w beam

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w beam

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Antennas : 40M
  • 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: 136 | Votes: 0 | Rating: 0 ]
Antennas : 6M : 6 meter Yagi Antennas
  • 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: 76 | Votes: 0 | Rating: 0 ]
Antennas : Array
  • 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 ]
Antennas : End-Fed : End Fed Half Wave Antenna
  • 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: 69 | Votes: 0 | Rating: 0 ]
Antennas : HexBeam
  • My Cheap Hexbeam - With an eye to the final cost I have built a good 20 meter monoband Hex Beam antenna.
    [ Hits: 176 | 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 ]
Antennas : Moxon
  • 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: 94 | Votes: 0 | Rating: 0 ]
Antennas : Portable
  • 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: 126 | Votes: 0 | Rating: 0 ]
Antennas : WiFi
  • 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 ]
Technical Reference : Antenna Rotator
  • YAESU beam controller to suit RigExpert WTI-1 - Beam Controller Interface Project. The control system will be via the internet and consist of a Rig-Expert WTI-1 interface which provides access to CAT commands, PTT, and Rx and Tx audio.
    [ Hits: 36 | Votes: 0 | Rating: 0 ]

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