20 meter end fed antenna

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20 meter end fed antenna

18 links

Antennas : 10M

  • A double extended Zepp for 10 meters - How to make a Double Extended Zepp Antenna, almost a conventional halfwave dipole fed in the center with 300 or 450 ohm feed line by kh6jrm
    [ Hits: 1730 | Votes: 6 | Rating: 8.5 ]
Antennas : 20M
  • Endfed 20/30 Mtr Antenna - Article with detailed pictures of an endfeed antennna for 20 and 30 meter band
    [ Hits: 11340 | Votes: 4 | Rating: 4.75 ]
  • 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: 1082 | Votes: 1 | Rating: 8 ]
Antennas : End-Fed
  • End fed halfwave antenna and matching unit - One is an EFHWA for 20-40 meters, and the other is a matching unit for the antenna by n0lx
    [ Hits: 10396 | Votes: 5 | Rating: 5.4 ]
  • End-fed Inverted V for 17-20-30-40 Meters - Four band lightweight antenna, that rolls up into an small Grundig antenna case by N0LX
    [ Hits: 7941 | Votes: 5 | Rating: 8.2 ]
  • Multiband End-Fed Antenna - A homebrew project for a multiband end-fed antenna made with a single FT140-43 and 50pf capacitor and 20 meters of wire.
    [ Hits: 3435 | Votes: 8 | Rating: 6.12 ]
  • Multiband portable wire antennas - Vertical end fed antenna used for portable operations. The antenna will work on 80 with acceptable results, it will work fine on 40m, and it will be a good deal better than a normal 1/4 wave GP on 20, 17, 15 meters.
    [ Hits: 185 | Votes: 0 | Rating: 0 ]
  • 8010 Enfed Antenna - With this antenna the coverage is 80,40,20,15 and 10 meter band without any antenna tuner and the average SWR is below 1.2 on phone bands. The total antenna lenght is about 23 meters , with one 20.4 meters long segment from the 1:49 transformer to the 110uh coil and about 2.2 meters long segment from the coil to the insulator.
    [ Hits: 135 | Votes: 0 | Rating: 0 ]
Antennas : End-Fed : End Fed Half Wave Antenna
  • 20m EFHW Antenna - An end fed 20 meter half wave antenna
    [ Hits: 1365 | Votes: 2 | Rating: 6 ]
  • 20m end-fed Antenna - An end-fed halfwave antenna for 20 meters band with balun pictures and description by PD7MAA
    [ Hits: 1664 | Votes: 2 | Rating: 1 ]
  • End Fed Half-Wave Antennas - An interesting article on end fed half-wave wire antennas with a couple of original experiments. Author illustrate the role of the QRP matchbox, and a 40/20 meter antenna with a center stub making it a large bandwidth antenna for 40 and 20. Includes also an 80/40 end fed with the typical coil to make it available on 80 merts band.
    [ Hits: 287 | Votes: 2 | Rating: 10 ]
  • End Fed Antenna with a 1:64 Matching Network  updated - In this experiment the autor is going to explore the use of a 1:64 matching network on the End Fed Long Wire Antenna. Experiment will consist in build a 80-40-20-15-10 meter End Fed Long Wire Antenna with a 1:64 matching network from the documentation available on the internet
    [ Hits: 862 | Votes: 15 | Rating: 6.73 ]
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 : OCF
  • Homebrew an OCF Off-Center Fed Dipole Antenna - This type of antenna is a popular antenna design as the performance is very good across the HF bands and requires little or no tuning. It’s a dipole fed off center with a 4:1 balun at the offset feed point. The antenna shown covers 80, 40, 20 and 10 meters. The formula can also be used to adjust the overall length to cover more or fewer bands and the resulting overall length. 160-10m, 80-10m or 40-10 meters depending on your available space. Other bands will require a tuner.
    [ Hits: 194 | Votes: 3 | Rating: 6.67 ]
Antennas : W3EDP
  • W3EDP HF Antenna - G3YCC article pn the W3EDP end-fed antenna for 80 to 20 meters bands
    [ Hits: 3964 | Votes: 5 | Rating: 7.2 ]
  • The W3EDP 85 ft end-fed antenna - An 85ft wire fed against a 17ft counterpoise that works well in 80 and 40 meters
    [ Hits: 2112 | Votes: 2 | Rating: 9.5 ]
  • The W3EDP Antenna - A wire antenna feeded with an unsymmetrical feed and a 1:4 balun can be tuned from 6 to 80 meters band but can be noisier than a dipole and cause RF in the shack
    [ Hits: 794 | Votes: 2 | Rating: 10 ]
Technical Reference : Arduino
  • Arduino antenna tuner - This project describes an ARDUINO based automatic antenna tuner, for an end-fed half wave (EFHW) antenna, working on 20 & 40 meter bands
    [ Hits: 4898 | Votes: 9 | Rating: 6.04 ]

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