multi band antenna

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multi band antenna

295 links - and 2 categories

Antennas : 70cm
  • Coaxial Collinear Antenna for 70 CM Band - This coaxial collinear antenna was built to test for my own consumption whether or not this antenna method actually works. the guiding principle is that we have multiple 1/4 wave elements fed in series , the radiation from each adds in phase to produce a large vertically polarised omni-directional antenna with substantial gain
    [ Hits: 565 | Votes: 3 | Rating: 6.33 ]
Antennas : Baluns
  • How to Blow Up Your Balun - In this article, author examine stresses placed on common-mode chokes (aka baluns) as hams use/abuse them, examine the efficiency of simple dipole multi- band antennas and their feed systems. Stressing a Balun.
    [ Hits: 383 | Votes: 0 | Rating: 0 ]
Antennas : Dipole
  • Small HF Antennas - Experiments on HF antennas for restricted spaces. In this article author experiments antennas for 80-10 meters band having just a very small garden and several restrictions. Basic antennas consists of laded multiband dipoles and fan dipole antennas
    [ Hits: 1014 | Votes: 19 | Rating: 7.31 ]
Antennas : End-Fed
  • Multiband End-fed 80-10m Antenna - A multi band antenna for HF band capable to operate from 10 to 80 meters band depending on wire lenght loaded with a small inductance neat the feed end.
    [ Hits: 366 | Votes: 2 | Rating: 6.5 ]
Antennas : End-Fed : End Fed Half Wave Antenna Antennas : Fan Dipole
  • VE6LK Fan Dipole - Multiband dipole antenna working on 80-40-20-15m, a 3 element antenna, 15m being a 3rd harmonic of 40.
    [ Hits: 161 | Votes: 1 | Rating: 10 ]
Antennas : HexBeam
  • History of the Hexbeam Antennas - The original HEXBEAM was developed by Mike Traffic, N1HXA, in the early nineties. It is true that an M over W configured yagi antenna that resembled a butterfly was earlier tried successfully. But the advanced electrical design, the characteristic nesting concept and central terminal post that enable the multi band functionality along with the basic hardware design were all developed by Mike Traffie.
    [ Hits: 129 | Votes: 2 | Rating: 7.5 ]
Antennas : Magnetic Loop
  • Multi-Band 4 Foot Magnetic Loop with Gamma Match - This antenna works on 17, 20, and 30 meters, with the best bandwidth on 20 meters. The bandwidth on 17 and 30 is quite small but usable. There is a 20 KHz bandwidth on 20 meters.
    [ Hits: 136 | Votes: 2 | Rating: 10 ]
Antennas : Moxon
  • HF Multiband Moxon Antenna - A project that describes a build a multiband wire beam antenna. A 3 band single feed moxon antenna for 20,15,10 meters.
    [ Hits: 683 | Votes: 13 | Rating: 7.54 ]
Antennas : Multiband
  • G7FEK antenna revisited - A different implementation of the G7FEK HF multiband antenna with some adjustments and modifications
    [ Hits: 489 | Votes: 2 | Rating: 7.5 ]
Antennas : OCF
  • The M0CVO HW-42HP OCF Antenna - A multi-band off centre fed dipole, designed to operate on all bands from 40m (7MHz) to 6m (50MHz). Author claims it will operate on 40, 30, 20, 17, 15, 12 and 10m without an ATU (SWR <3:1) plus 6m with an ATU.
    [ Hits: 272 | Votes: 0 | Rating: 0 ]
Antennas : Theory
  • Zeppelin aerials - Zeppelin Antenna notes, historical references and a description of the classic Zeppelin antenna, how current is distributed on antenna and principle of it multiband usage. Article in Czeck can be translated in english.
    [ Hits: 162 | Votes: 3 | Rating: 7 ]
Antennas : Tuners
  • A Versatile SOTA Antenna Tuner - This is a detailed, technical piece, intended mostly for makers and more creative activators, who enjoy building and using their own tools on the summits. A multiband portable antenna tuner supporting 10W, small and light, suitable for SOTA operations
    [ Hits: 262 | Votes: 2 | Rating: 10 ]
Antennas : Vertical
  • Trapped vertical Antenna - This antenna is an omnidirectional and multiband and it is well suited for DX enthusiasts with limited space. Each of the parallel circuits (trap) behaves like an isolator on its resonant frequency.
    [ Hits: 353 | Votes: 7 | Rating: 2.71 ]
Antennas : W3DZZ
  • W3DZZ Multiband Antenna - An easy to build and extremely high performance antenna, works perfectly on all HF bands 3.5-28 MHz with some compromises, it is basically an half wave dipole for 40-80 meters, an LC circuit or trap 40 meters allows you to use a single radiating element.
    [ Hits: 463 | Votes: 3 | Rating: 7.67 ]
Antennas : ZS6BKW
  • The ZS6BKW Multiband HF Antenna - This is the antenna for you guys who want to get on HF effectively, and haven’t too much space or cash to throw around. Actually, it’s a design from ZS6BKW (aka G0GSF), similar to the G5RV, but it actually resonates on five bands, (well 6, actually) and doesn’t rely on a tuner (ATU) to make it work.
    [ Hits: 469 | Votes: 5 | Rating: 9.8 ]
Manufacturers : Antennas : HF
  • Pocher Antenne - Amateur radio antennas manufacturer. Produces HF end-fed, dipoles, and other wire antenna types, mono band and multi band antennas.
    [ Hits: 113 | Votes: 1 | Rating: 2 ]
Manufacturers : Baluns
  • OM0ET Antennas - Maker of small and compact multiband QRP UltraLight Magnetic Loop Antennas and UnUn transformer for end-fed multiband antennas
    [ Hits: 311 | Votes: 7 | Rating: 7.57 ]
Radio Equipment : HF Portable Antenna : Buddipole
  • Buddipole Dipole Assembly - Rob, VK5SW shows the simple assembly of the portable Buddipole multiband dipole antenna.
    [ Hits: 90 | Votes: 0 | Rating: 0 ]
Technical Reference : Transverters
  • Transverter for 50 70 28 MHz - This multiband transverter project features power output at 13,8V 50MHz 15W, 70MHz 10W, second harmonic <65dBc. Single N connector of antenna, suitable for a dual band Yagi. Article include Block Diagram for Dual Transverter and low pass filters
    [ Hits: 151 | Votes: 1 | Rating: 10 ]

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