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l antennas

1356 links - and 47 categories

Antennas : 70cm
  • UHF Dual Rectangle Antenna - The antenna described here is a direct-connect dual-rectangle beam for use on 70 cm between 440 and 450 MHz
    [ Hits: 899 | Votes: 3 | Rating: 6 ]
Antennas : Baluns
  • Build your own HF balun - A balun is a MUST for dipoles or similar antennas when they are feed with coaxial cables. Many hams connect the center conductor of the coaxial cable to one side of the dipole, and the shield to the other. Wrong!
    [ Hits: 1570 | Votes: 3 | Rating: 6.67 ]
Antennas : Delta loop
  • 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: 452 | Votes: 2 | Rating: 6.5 ]
Antennas : End-Fed
  • Refining an End Fed Antenna - Optimizing performances of the end-fed antennas QRP quarterly article
    [ Hits: 1178 | Votes: 1 | Rating: 5 ]
Antennas : Loop
  • Pennant Loop adventures - Experimenting with pennant loop antennas article by Jedd Smith, includes layout ideas, modeling and design along to some pictures
    [ Hits: 454 | Votes: 4 | Rating: 7 ]
Antennas : Moxon
  • 70cm Moxon Beam - A moxon antenna project for 70 cm band, test and results of this popular antenna model applies to UHF bands.
    [ Hits: 1507 | Votes: 8 | Rating: 5.88 ]
  • Moxon Antenna for 2 meters - A moxon antenna for 2 meters band featuring 6 dBi and a F/B of 30 dBi
    [ Hits: 665 | Votes: 3 | Rating: 8.67 ]
Antennas : NVIS
  • 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: 444 | Votes: 1 | Rating: 9 ]
Antennas : Patch
  • The Basics of Patch Antennas - This article explores the basic concepts of patch antennas. Topics include principles of operation, impedance matching, radiation pattern, circular polarization, bandwidth, efficiency, alternative feed types, stacked patches and higher mode behavior.
    [ Hits: 711 | Votes: 1 | Rating: 9 ]
  • Introduction to Microstrip Antennas - Article about the microstrip antenna, which is also commonly referred to as the patch antenna.
    [ Hits: 344 | Votes: 2 | Rating: 7 ]
  • Microstrip Patch Antennas - Article about the microstrip patch antennas, and in particular the rectangular, single-polarization microstrip antennas, commonly abbreviated MSA.
    [ Hits: 230 | Votes: 2 | Rating: 8.5 ]
Antennas : Receiving
  • Triband Receiving Loop for 160/80/40m - A receiving only loop antenna for low bands, cover 160 to 40 meters with a remote antenna switch box well described and illustrated in this article
    [ Hits: 828 | Votes: 1 | Rating: 10 ]
Antennas : Shortwave
  • Shortwave Antennas - Introduction to Shortwave Antennas. Understanding Shortwave Radio Listening and Antenna Design and Construction
    [ Hits: 687 | Votes: 1 | Rating: 10 ]
Antennas : Slim Jim
  • Slim Jim vs J-Pole - A comparative article on performance differences between Slim Jim antennas versus J-Pole antennas
    [ Hits: 793 | Votes: 2 | Rating: 10 ]
Antennas : Theory
  • Electrically Small Antennas 2016 - An antenna system is electrically small if it's enclosing sphere is <λ/2π. So a 10m band antenna of under 1.6m long qualifies.
    [ Hits: 404 | Votes: 0 | Rating: 0 ]
Antennas : VHF UHF
  • Ground plane for 144, 222 and 440 MHz - Here we have a ground plane antenna mostly used for 144, 222, 440 Mhz. Its one of the simplest antennas to make. New hams can build this with little to no experience in antenna building.
    [ Hits: 1121 | Votes: 9 | Rating: 5.22 ]
Antennas : Yagi
  • The Yagi-Uda Antenna - An interesting presentation on history and characteristics of Yagi-UDA antennas
    [ Hits: 559 | Votes: 0 | Rating: 0 ]
Manufacturers : Antennas : HF
  • Ultimax Antennas Inc - Ultimax antennas manufacturer of amateur radio End-Fed and bazooka antennas made in USA
    [ Hits: 230 | Votes: 1 | Rating: 1 ]
Manufacturers : Antennas : Marine
  • Southwest Antennas - High-performance rugged antennas and RF accessories such as magnetic mounts, RF coaxial gooseneck adapters, LNAs, BDCs, for law enforcment, military, maritime and video markets.
    [ Hits: 219 | Votes: 0 | Rating: 0 ]
Radio Equipment : HF Transceivers : Yaesu FT-100

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