20 meter j antenn

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20 meter j antenn

134 links - and 1 categories

Antennas : 2M
  • 5 Element, 2 Meter Yagi Antenna - Five- Element, 2 Meter Yagi for around $20. This antenna is easy on your wallet and easy to build!
    [ Hits: 3361 | Votes: 16 | Rating: 4.87 ]
  • VHF Big Wheel Antenna - A popular 2 meter antenna returns in an improved, easier to reproduce form, 2008 QST article
    [ Hits: 2400 | Votes: 4 | Rating: 7.5 ]
Antennas : 40M : 40 meter Delta Loop Antennas
  • Full Wave Delta Loop for 7 MHz - An homebrew project of a full wave delta loop antenna for the 40 meters band with dimensione, picture and assembling instructions in Indonesian
    [ Hits: 779 | Votes: 1 | Rating: 8 ]
Antennas : 40M : 40 meter Yagi Antennas
  • 40 Meters 3 element Wire Yagi - A three element wire yagi antenna for 7 MHz project plan with drawings and EZNEC model
    [ Hits: 2189 | Votes: 7 | Rating: 4.71 ]
  • 3 Element Yagi for 40 Meters  updated - An homebrew project for a 3 element coil-loaded Yagi beam antenna for 40 Meter band
    [ Hits: 1082 | Votes: 2 | Rating: 5 ]
Antennas : 6M
  • Six Meter Quad Turnstile Antenna - Simple 6 Metre DX Antenna based on an article by LB Cebick in QST May 2002 on a Quad Turnstile antenna. This antenna is basically two full wave loops mounted at right angles fed 90 degrees out of phase to produce an omni-directional horizontally polarized pattern
    [ Hits: 701 | Votes: 2 | Rating: 9.5 ]
Antennas : 6M : 6 meter Yagi Antennas
  • Six Meter Yagi Beam - Article describing how to homebrew a yagi antenna for 50 MHz, includes plans for a four and five elements yagi beam and details how how match impedence with a gamma match
    [ Hits: 1036 | Votes: 3 | Rating: 4.33 ]
Antennas : Delta loop
  • 2 Elements Delta Loop for 14 MHz - A delta loop antenna for 20 meters band designed with MMana with a tuning system made in a classic stub configuration
    [ Hits: 527 | Votes: 2 | Rating: 6.5 ]
Antennas : End-Fed
  • 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 ]
Antennas : Fan Dipole
  • The KL3JM modified SRI Fan Dipole for 80-40-20 Meters - The antenna in this project is a modification of the techniques used to design a multiband fan type dipole with little or no tuning involved having a total space of 105 feet
    [ Hits: 500 | Votes: 1 | Rating: 5 ]
  • Half Wave Fan Dipole Antenna - Amateur Radio 40m 20m 15m Half Wave Fan dipole antenna project with part list, pictures and drawing. Includes the option to expand the antenna to cover the 80 meters band
    [ Hits: 678 | Votes: 1 | Rating: 1 ]
Antennas : Four Square
  • 80M 4-Square - An antenna project to obtain a bigger signal on the 80 Meter (3.5 to 3.8 MHz) amateur radio band
    [ Hits: 836 | Votes: 0 | Rating: 0 ]
Antennas : J-Pole
  • 3 band J-Pole Antenna - Pictures of a 2 meter, 220, 440 copper J-Pole antennas
    [ Hits: 2607 | Votes: 12 | Rating: 6.08 ]
Antennas : Magnetic Loop
  • Magnetic Loop Antenna for 40-20m - If you have space constraint at your QTH for a HF antenna, you can try contructing this HF magnetic loop antenna for 40-20 meters bands
    [ Hits: 1526 | Votes: 2 | Rating: 3 ]
Antennas : Moxon
  • 20 Meter Moxon Antenna - A club project experiment about a vertical Moxon antenna for 20 meter band
    [ Hits: 1782 | Votes: 4 | Rating: 3.75 ]
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: 2558 | Votes: 7 | Rating: 9.43 ]
Antennas : Quad
  • 2 Meter 5 Element Quad - A five element quad antenna for 144 MHz DIY Project. This 2 Meter 5 Element Quad antenna was modeled using EZNEC, with a boom from a UHF TV antenna and CPVC pipe for spreaders. Constructed for 146MHz, it exhibits a gain of 10.7dB and an impedance of 75 ohms. Real-world results surpass the HT antenna, reaching over 20 repeaters up to 75 miles away. The design, costing around $10, employs simple tools for assembly.
    [ Hits: 1884 | Votes: 9 | Rating: 6.23 ]
Antennas : Vertical
  • The 10/15/20 Meter Trap Vertical Antenna - This antenna project came out very nice. It's a rugged homebrew multi-band trap vertical antenna that works the 10, 15, and 20 meter amateur radio bands. The antenna can be mounted on the ground or on a mast. Mounted on the ground the antenna has a low take off angle for working DX. If mounted on a mast the antenna will acheive both a low angle as well as another radiation lobe that has a much higher take off angle.
    [ Hits: 4152 | Votes: 14 | Rating: 6.08 ]
Radio Equipment : HF Vertical Antenna : Cushcraft R8
  • Cushcraft R8 Vertical Project - 40/30/20/17/15/12/10/6 Meters antenna setup and assembly with high res pictures of the R-8 Antenna
    [ Hits: 278 | Votes: 0 | Rating: 0 ]
Radio Equipment : HF YAGI Antennas : Cushcraft MA5B
  • MA5B Manual - Cushcraft MA5B 20 / 17 / 15 / 12 / 10 Meter Beam Antenna assembly and installation manual
    [ Hits: 688 | Votes: 1 | Rating: 1 ]

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