20m vertical antenna

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20m vertical antenna

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Antennas : 20M
  • 20m delta loop  pop - This antenna is fed for vertical polarisation, to give a low angle of radiation for DX and also a nearly omni-directional radiation pattern.
    [ Hits: 65700 | Votes: 69 | Rating: 6.71 ]
  • 20m End Fed Antenna - 20m end fed half wave vertical antenna
    [ Hits: 3287 | Votes: 8 | Rating: 6.38 ]
Antennas : 20M : 20 meter Vertical Antennas
  • 20m T-Monopole - 20m T-Monopole short vertical antenna for 20 meters by AA5TB
    [ Hits: 12197 | Votes: 6 | Rating: 8.33 ]
  • A shortened 20m vertical - A shortened 20m vertical antenna design made with 4Nec2
    [ Hits: 1724 | Votes: 1 | Rating: 6 ]
  • The Vertical Buddi Beam for 20m - The Vertical Buddi Beam on 20m using no Coils. n this article I am going to describe a totally new way to construct and use a very old design the two element Yagi antenna. Unlike the traditional Yagi this design does not require a Tower or a boom, it is 100 percent portable and most important high- performance and easy to assemble using standard Buddipole components.
    [ Hits: 566 | Votes: 2 | Rating: 4.5 ]
Antennas : 6M Antennas : 80M
  • Top Loaded Vertical Antenna for 80 Meters Band - Top Loaded Vertical Antenna 3,5 MHz 80m and a 14 MHz Trap for the 20m band. The weight of this portable vertical antenna is less than 1 kg, including the ground network. The weight of the telescopic fiberglass fishing rod is another 1kg. The rod expands from 1.5 meters to 8 meters.
    [ Hits: 268 | Votes: 0 | Rating: 0 ]
Antennas : End-Fed : End Fed Half Wave Antenna
  • 20m vertical end fed half wave - An EFHW antenna by M5FRA G8FRA
    [ Hits: 689 | Votes: 1 | Rating: 1 ]
  • 20m Half-Wave End Fed  updated - A Half wave antenna has a high impedance feed point. This can be matched using a 1/4 wave stub matching section and converts the 40m vertical into an L-shaped 20m J-Pole antenna. The 300 ohm feeder used for this purpose must be kept away from the ground.
    [ Hits: 1840 | Votes: 7 | Rating: 8 ]
Antennas : J-Pole
  • J-Pole for 14MHz - 20 meter wire j-pole for 14.2 MHz, a vertical, end-fed half wave antenna by N1LO
    [ Hits: 5227 | Votes: 3 | Rating: 5.67 ]
Antennas : Multiband
  • Homemade Carolina Windom antenna - This multiband wire antenna it is an off centre fed dipole, with 10 feet of vertical radiator, needs no tuner on 40m, 20m and 10m and works fine on all bands above 40m with a tuner, and even below 40m on 60m, and 80m.
    [ Hits: 8182 | Votes: 12 | Rating: 7.58 ]
  • Vertical antenna for Vacation - Vertical Vacation Antenna for 80, 40 and 20 Meter-Band, by Herbert OE3BMB This antenna is a full size λ/4 for 20m and 40m band, and a shortened λ/4 for the 80m band. Generally on the 40m band the SWR is under 1,6. In 80m and 20m band at the resonant frequency the SWR is about 1,1.
    [ Hits: 5033 | Votes: 4 | Rating: 8 ]
  • ON3JT vertical multiband hf antenna - A simple and low cost multiband vertical hf antenna covering 5 bands (20m-10m) from an old CB antenna
    [ Hits: 4148 | Votes: 2 | Rating: 6.5 ]
  • 5 Band Telescopic Vertical Antenna - 5 Band 1/4 wave Telescopic Antenna. The 20m to 10m, antenna is simple and cheap to make, and has a performance that matches commercial antennas but at cost considerably lower. The design was purposely based on a telescoping fibre glass fishing rod as this allows it to be easily stowed away in the car.
    [ Hits: 3599 | Votes: 3 | Rating: 9.33 ]
Antennas : Theory 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: 56258 | Votes: 13 | Rating: 6.46 ]
  • Two Element Phased Verticals - Two 40 meter phased vertical antennas, project, pictures and description by W4NFR
    [ Hits: 1151 | Votes: 2 | Rating: 6 ]
  • 20m 40m trapped squid pole antenna - An homemade portable vertical antenna with a trap near the mid point of the main element. The trap is made with 42mm diameter PVC pipe with 9 turns of wire on it
    [ Hits: 3015 | Votes: 5 | Rating: 5.2 ]
Antennas : Windom
  • Homemade Carolina Windom antenna - An off centre fed dipole, with 10 feet of vertical radiator. It needs no tuner on 40m, 20m and 10m by M0UKD
    [ Hits: 1303 | Votes: 1 | Rating: 1 ]
Radio Equipment : HF Portable Antenna : TransWorld Antennas TW2010
  • TransWorld TW2010L Review - A brief review of the TW2010L Backpacker Antenna. This is a portable vertical antenna covering 10,12,15,17 and 20m
    [ Hits: 418 | Votes: 2 | Rating: 9.5 ]

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