radial antenna

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radial antenna

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Antennas : 160M
  • K2YWE's Compact 160m Lazy-U Antenna - This compact 160m antenna is a half-wave dipole with a vertical section. It requires no radials and has worked well for me.
    [ Hits: 17994 | Votes: 16 | Rating: 7.31 ]
  • Vertical antenna for 160 meter - This high antenna require a large ground composed by 40 radials. It's not very handy expecially in windy situations but is very powerfull in pile-ups. In italian
    [ Hits: 4136 | Votes: 1 | Rating: 10 ]
Antennas : 2M
  • Slim Jim 2m Vertical - This VHF 145 MHz antenna is easy to build and with no radials. It shows equal gain of 5/8 lambda. It is light weight, you can hang it somewhere (on a tree may be) and work.
    [ Hits: 3390 | Votes: 3 | Rating: 6 ]
Antennas : 30M
  • The flower pot antenna - A portable dual-band antenna working principally on 10 meters but also close to the 30 meter band. It's compact, light, economical and doesn't need any radial.
    [ Hits: 13402 | Votes: 1 | Rating: 10 ]
Antennas : 40M : 40 meter Magnetic Loop Antennas
  • A magnetic loop antenna for HF  pop - Able to cover all frequencies between 3.5 and about 10 MHz, the loop described here is directional, does not require a radial system, and stands just 1.8 metres tall. The antenna can be put together in a short time and is cheap by Peter Parker VK3YE ex VK1PK
    [ Hits: 100938 | Votes: 46 | Rating: 6.74 ]
Antennas : 40M : 40 meter Vertical Antennas
  • 7Mhz Vertical antenna - The secret with this antenna is to install as many radials as you can around the base of the antenna, they can be anything from 1/8 wave or longer.
    [ Hits: 24121 | Votes: 15 | Rating: 4.14 ]
Antennas : 80M
  • Top Loaded Portable Vertical - A 3.5 Mhz top loaded vertical antenna built using 2 elevated radials by DJ9RB
    [ Hits: 2495 | Votes: 0 | Rating: 0 ]
Antennas : End-Fed
  • How to make an end-fed antenna work  pop - Here is a sure fire way to make end-fed halfwave antennas fed with a 50 ohm coupler work - without long radials, grounds, chokes, voodoo.
    [ Hits: 43946 | Votes: 30 | Rating: 6.71 ]
Antennas : Homebrewing Techniques
  • Radial System Design - Are the lengths of antenna radials related to the height of a vertical? By N6LF
    [ Hits: 859 | Votes: 1 | Rating: 5 ]
Antennas : J-Pole
  • J-Pole theory  pop - The J-Pole antenna is an omnidirectional antenna that can be used for base, mobile and field day stations. It does not need a ground plane, radials or a complicated matching system. The J-Pole can be cheaply, simply and quickly constructed using a variety of techniques, some of which are discussed in this article.
    [ Hits: 30316 | Votes: 26 | Rating: 6.87 ]
Antennas : Multiband
  • HF multiband vertical Antenna - YF1AR multiband vertical antenna, based on orginal concept by VE7BS. Consist of 6 vertical elements and 6 base radials with a single 50 Ohm feed line.
    [ Hits: 1539 | Votes: 4 | Rating: 3.25 ]
  • Some plain facts about multiband vertical antennas - There is considerable confusion as to what exactly a multiband vertical antenna is. The confusion concerns the method of feed, how much mismatch one can expect, how many radials are required, how the particular antenna is built for multiband use, plus some other points.
    [ Hits: 1910 | Votes: 1 | Rating: 7 ]
Antennas : Portable
  • An End Fed Half Wave Antenna - This end fed type of antenna was marketted in the UK and is a useful system for the portable set-up. Being a half wave, no radials or counterpose wires are needed.
    [ Hits: 4741 | Votes: 0 | Rating: 0 ]
Antennas : Theory
  • Ground / Radial Systems - Guide to ground mounting antennas, notes on efficiency, elevated installations, metal towers and masts, other mounting schemas, moble homes and rv, lightning protections, artiche by Bencher
    [ Hits: 1151 | Votes: 1 | Rating: 10 ]
  • Radial systems and ground - Radial systems for elevated and ground mounted vertical antennas by SteppIR
    [ Hits: 2293 | Votes: 4 | Rating: 8.25 ]
Antennas : Vertical
  • Antenna for deed restricted lots  pop - An effective 10-20m DX antenna for deed restricted lots. The article by K7ZB introduces a simple 10-20m DX antenna suitable for deed-restricted lots. The antenna, a 15' vertical design, facilitated contacts with over 200 countries worldwide. Its design employs a telescopic aluminum tube and radial wires for multi-band operation, requiring an external antenna tuner for optimal performance. The mounting scheme and construction details ensure effectiveness and ease of use.
    [ Hits: 56267 | Votes: 13 | Rating: 6.46 ]
  • Groundplane antenna - Short guide to build your own groundplane antenna, includes radial measurements fro warc bands
    [ Hits: 5427 | Votes: 2 | Rating: 10 ]
  • Short radials for ground-plane antennas - Think your elevated radials always have to be full size? N6LF lets you in on some great ideas to lessen the “wingspan” of radials, especially near the beach.
    [ Hits: 2343 | Votes: 1 | Rating: 8 ]
Ham Radio : Personal Pages : Europe
  • DL9MEU - Basics for a good Antenna:``Only if you can hear it, you can work it!``Symmetric antennas save a lot of trouble.``No traps - no radials - no loading coils.
    [ Hits: 5523 | Votes: 57 | Rating: 5.8 ]
Radio Equipment : HF Vertical Antenna : Cushcraft R7
  • Troubleshooting Traps - This article refers mainly to the old Cushcraft 1/4 wavelength AV series of antennas (12AVQ, 14AVQ etc) hence the references to radials. The R series (R5, R7 etc) are 1/2 wavelength antennas, and the radials are NOT 1/4 wavelength resonant.
    [ Hits: 2775 | Votes: 0 | Rating: 0 ]

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