20 m dipole

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20 m dipole

132 links - and 1 categories

Antennas : 20M
  • Directional Helical Antenna - This antenna is intended for the 20-meter Band. There are two Voltage Fed Helical Dipoles, made with 2 slinky that fed with phase shift in 90 degree
    [ Hits: 538 | Votes: 1 | Rating: 8.00 ]
Antennas : 40M : 40 meter Dipole Antennas
  • Postage Stamp 40 Meter Wire Dipole Antenna - Build yourself a postage stamp 40 meter wire dipole antenna that fits in a space a little over 20 wide and works reasonably well at low heights
    [ Hits: 2314 | Votes: 5 | Rating: 6.50 ]
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: 1112 | Votes: 2 | Rating: 9.50 ]
Antennas : Dipole
  • A Co-ax Trap Dipole - A Co-ax Trap Dipole For 40, 30 and 20 Meters or at Llast that was the intention
    [ Hits: 641 | Votes: 0 | Rating: 0.00 ]
  • 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: 438 | Votes: 0 | Rating: 0.00 ]
  • Simple 20-40 m Dipole Antenna - A simple TRAP-dipole project for 20 and 40m bands includes EZNec simulations
    [ Hits: 936 | Votes: 2 | Rating: 9.00 ]
  • Balloon Vertical Omni-Antennas - Experimenting vertical wire antennas for 40 and 20 meters supported by balloons resulting in excellent gain in RX and good overall performance against horizontal dipole
    [ Hits: 501 | Votes: 1 | Rating: 5.00 ]
Antennas : Fan Dipole
  • The Fan Dipole Fence - the FFD is a multiband antenna, quick, eay and cheap.
    [ Hits: 671 | Votes: 1 | Rating: 1.00 ]
  • WA2HIP Fan Dipoles - Two find dipoles one for 75/40/20 and the other for 20/15 by WA2HIP
    [ Hits: 341 | Votes: 1 | Rating: 10.00 ]
  • Fan Dipole for DX - Modeling an 80/40/20M Fan Dipole for DX by Larry Banks, W1DYJ
    [ Hits: 563 | Votes: 2 | Rating: 5.50 ]
Antennas : Indoor Antennas : Lindenblad
  • 70 cm Lindenblad Antenna - The antenna is a vertical dipole, around which four parasitic elements are forming a circle.
    [ Hits: 1031 | Votes: 0 | Rating: 0.00 ]
Antennas : Multiband
  • HF Multiple Dipole Antenna - This article describes the design and simulation of a multiple dipole antenna for the HF band, using the software MMANA-GAL. The antenna will be designed to operate in the 10, 20, 40 and 80 m bands
    [ Hits: 594 | Votes: 1 | Rating: 4.00 ]
Antennas : OCF
  • OCF Dipole - This is a popular antenna design as the performance is very good across the HF bands and requires little or no tuning. It is a dipole fed off center with a 4:1 current balun at the offset feedpoint. The antenna shown covers 80, 40, 20 and 10 meters with 15 meters and WARC bands
    [ Hits: 1234 | Votes: 1 | Rating: 8.00 ]
Antennas : Portable Antennas : Resonant Feedline Dipole Antennas : W3DZZ
  • A Low Cost Multi Band - W3DZZ trapped multi-band antenna, exposed in this practical wireless article
    [ Hits: 1059 | Votes: 2 | Rating: 9.00 ]
  • OH2EC Antenna - A trapped dipole antenna based on the orignal W3DZZ antenna design resonating on 80 40 20 15 10 meters
    [ Hits: 740 | Votes: 1 | Rating: 10.00 ]
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: 935 | Votes: 1 | Rating: 1.00 ]
Operating Modes : Portable Operations
  • Fun and Games with the Spiderbeam 18 Meter Pole - A portable operation experience with a SpiderBeam pole during a contest, testing wire antennas, like dipole and delta loops configurations on 20 40 and 80 meters band.
    [ Hits: 166 | Votes: 1 | Rating: 10.00 ]
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