l antennas

l antennas

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• HyGain LJ-153BA - The HyGain LJ-153BA a monoband 3 element Yagi, designed for the 15 m band 21.00 - 21.45 MHz
  [ Hits: 833 | Votes: 1 | Rating: 4 ]

• The 40m Delta Mono-Loop - A delta loop antenna project for the 40 meters band, include dimensions 80 meters band, with construction details, schematic and tuning instructions
  [ Hits: 4007 | Votes: 9 | Rating: 6.55 ]

• Linear Loaded 40m Dipole - A simple dipole for 40m band feeded with 450-Ohm openwire feedline includes MMANA Gal files to download
  [ Hits: 479 | Votes: 1 | Rating: 5 ]

• 7dB VHF Collinear Antenna - This project is about a cheap way of building a colinear antenna for VHF 145MHz, and having about 10dB more gain than that little 1/4-wave magmount
  [ Hits: 4688 | Votes: 15 | Rating: 6.41 ]

• 2 Elements Delta Loop for 14 MHz - A delta loop antenna for 20 meters band designed with MMana with a tuning system made in a classic stub configuration
  [ Hits: 515 | Votes: 2 | Rating: 6.5 ]
• 2 Elements 20m Delta Loop - A 2 elements delta loop antenna for 14 MHz with a MMana simulation file, dimensions, pictures of this aluminium tube based delta loop antenna, and matching system details.
  [ Hits: 577 | Votes: 1 | Rating: 6 ]

• 10 15 20m Open Sleeve Dipole - Based on a simple project based on a 2 elements Yagi for 20m band, and then becomed a triband yagi with a open-sleeve feed system
  [ Hits: 754 | Votes: 3 | Rating: 3 ]

• Installing Wire Antennas in trees - Wire Antenna Installation in trees, Methods for getting the support rope up a tree and alternatives
  [ Hits: 677 | Votes: 2 | Rating: 6 ]

• VHF Log Periodic Antenna - 17-Element Very High Frequency/Ultra High Frequency Log Period Dipole Array
  [ Hits: 1235 | Votes: 7 | Rating: 5.86 ]
• Practical HF Log Periodic Antennas - This QST article describes the electrical and mechanical design process for two LPs that cover the HF bands from 10-30 MHz
  [ Hits: 903 | Votes: 0 | Rating: 0 ]

• NVIS Antenna Design - A presentation on designing Near-Vertical Incidence Skywave (NVIS) antennas and all related EZNEC models in a single zip file or the single presentation in PDF File
  [ Hits: 486 | Votes: 1 | Rating: 9 ]

• Slim Jim vs J-Pole - A comparative article on performance differences between Slim Jim antennas versus J-Pole antennas
  [ Hits: 842 | Votes: 2 | Rating: 10 ]

• All About Antennas - A free five part series on antennas that covers many aspects of antennas, from radio wave propagation, to feed lines, type of antennas, connectors, adaptors and antenna switches by Bob Grove, publisher of Monitoring Times
  [ Hits: 1162 | Votes: 3 | Rating: 7.5 ]
• Height versus take off angle - One of the most important factor for DXers although many are not aware of this.
  [ Hits: 568 | Votes: 0 | Rating: 0 ]
• Dipoles and Vs at correct height - Dipoles at the correct height are not only stealthy antennas, they work great
  [ Hits: 743 | Votes: 2 | Rating: 8 ]
• Quarter Waves and Velocity Factor - Coax Velocity Factor in Baluns, Does it Matter? Test results show coaxial cable velocity factor does not always enter into stub length calculations especially in the world of Baluns
  [ Hits: 207 | Votes: 0 | Rating: 0 ]

• True Ladder Line and Wire Antennas - Manufacturing selling and supporting the classic W7FG True Ladder Line Wire and Antenna
  [ Hits: 735 | Votes: 1 | Rating: 8 ]

• Antenna Europe - Antenna Europe is an Lithuanian ham radio HF antenna manufactured specialized in Quad Antennas. Makers of Cubical Quad Antennas, Yagi Antennas, Antenna switches, Transformers and Robinzon Antennas
  [ Hits: 1252 | Votes: 1 | Rating: 1 ]

• HF Antennas for Beginners - 30 Meters and Below - An interesting article for beginners that guide new hams to find what kind of antenna to install, evaluating wire aerials, commercial verticals and how to setup antennas in restricted lots
  [ Hits: 842 | Votes: 1 | Rating: 4 ]

• Big Signal - Amateur Radio HF Cubical Quad and Delta Loop antennas manufacturer based in Spain
  [ Hits: 1038 | Votes: 0 | Rating: 0 ]

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