20 m antenna

20 m antenna

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• DK7ZB-5-Band-Quad - 2 element Quand antenna for 10 - 12 - 15 -17 - 20 meters band
  [ Hits: 10904 | Votes: 10 | Rating: 7.61 ]
• Multiband Cubical Quads - EI7BA Multiband Cubical Quads projects, includes two elements quad antennas for 10 12 15 17 20 meters band. Performance considerations, detailed pictures and construction notes.
  [ Hits: 7916 | Votes: 5 | Rating: 9.4 ]

• 20m T-Monopole - 20m T-Monopole short vertical antenna for 20 meters by AA5TB
  [ Hits: 12206 | Votes: 6 | Rating: 8.33 ]

• A better antenna-tuner balun - Which balun to use? The hybrid balun promises advantages over both voltage and current baluns by ZS1AN
  [ Hits: 23096 | Votes: 11 | Rating: 5.83 ]

• W3FF Portable Dipole - This is the antenna w3ff designed for his walking portable station. It is a dipole constructed out of the plastic plumbing pipe CPVC. There are telescoping whips at the ends of each side of the dipole, and these whips are adjusted to bring the antenna into resonance on each of five HF Bands 10, 12, 15, 17, and 20 Meters
  [ Hits: 22069 | Votes: 14 | Rating: 8.13 ]

• Luisteramateur NL-10145 EH Antenna - Calculate EH Antenna, 20m 40 80m. Fotos, Original eh antenna building.
  [ Hits: 1695 | Votes: 10 | Rating: 6.2 ]

• G5RV vs. Ground Plane on 80M - Comparison tests by WF7T of a G5RV antenna vs a GP antenna on 80 meters band
  [ Hits: 1549 | Votes: 3 | Rating: 7 ]

• A two dollar helical hf portable antenna - Here is an easily transportable vertical antenna for 20 meters collapsible to 4 feet that costs about $2.00 to make. This was created as a fun project to demonstrate how to enjoy operating HF in the field with a home-made portable antenna without spending a ton of money. Bev AH6NF (YL) made this antenna, tuned and ready to operate in less than one hour
  [ Hits: 22388 | Votes: 14 | Rating: 7.65 ]

• A Horn Antenna for 2.4 GHz. - This Antenna is not really practical for AO-40 reception, but horn antennas have a number of qualities useful in microwave antenna testing and noise figure measurements.
  [ Hits: 10958 | Votes: 32 | Rating: 3.82 ]

• A 5 band log periodic dipole array - Modified version of the Telerana antenna which was orginially featured in the July 1979 issue of QST. The array is suspended within a framework made of fiberglass poles emanating from a central hub with the ends tied together with light weight rope around the perimeter. 10-15-20-30-40 meter band coverage
  [ Hits: 10004 | Votes: 12 | Rating: 6.59 ]

• A $20 HF mobile antenna - A few hours of fun with PVC and wire and you have got yourself a respectable road radiator. The antenna consists of little more than some PVC pipe topped by a RadioShack replacement whip antenna and a couple of coils made from a small roll of #14 house wire.
  [ Hits: 10548 | Votes: 6 | Rating: 7.33 ]

• The 5 Bands Wire-Beam - This wire-beam has one radiator-element, feeded with 450-Ohm-Wireman-twinlead and needs an antenna-tuner. For the bands 6m, 10m, 12m, 15m, 17m and 20m bended reflector-elements are used. The support is a cross of 4 fibreglass-fishing-rods
  [ Hits: 5647 | Votes: 2 | Rating: 7 ]
• 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: 1542 | Votes: 4 | Rating: 3.25 ]

• Portable HF Antenna for the field day - This article describes a project of asymmetrical hatted vertical dipole, a portable antenna that can be used for field day operations, sota, campings or even for fixed installations. This is a freestanding 20-10m antenna that is really easy to build, easy to tune and relatively easy to carry.
  [ Hits: 1645 | Votes: 2 | Rating: 7.5 ]
• A tri-band 2 element portable Yagi  ^updated - HF Wire Yagi antenna with notes and eznec file on original article of a Portable 3-Band Yagi antenna for 10-15-20 meter band made with wire elements. Include link the original to QST article.
  [ Hits: 15052 | Votes: 5 | Rating: 5.8 ]

• All HF Band Antennas - F6ITV consideration on HF Antennas, from trap wired anternnas, to center feed antennas.
  [ Hits: 1519 | Votes: 0 | Rating: 0 ]
• Why a Beam Antenna - Some basic antenna information for the newcomer
  [ Hits: 1043 | Votes: 1 | Rating: 10 ]

• QRP 20m Antenna Tuner Unit - A QRP antenna tuner for 20 meters band
  [ Hits: 10841 | Votes: 6 | Rating: 5.83 ]

• ZeroFive Antennas - Vertical antennas for all HF bands, expecially 80 40 20 meters bands
  [ Hits: 7084 | Votes: 40 | Rating: 9.24 ]

• Modifications for the Yaesu VX-5R - VX-5R Loose antenna cure, Vx-5r Free Band, VX 5 R modification for German, VX-5R expanded frequency mod, VX-5R MARS/CAP & freeband mod
  [ Hits: 3439 | Votes: 2 | Rating: 4 ]

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