quarter wave

quarter wave

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• The ground image vertical antenna - A 20 meter quarter wave vertical antenna by jerry sevick W2FMI QST Article
  [ Hits: 5877 | Votes: 4 | Rating: 7.25 ]

• 2-Element-Yagis for HF  ^pop - 2-Element parasitic Yagis for the Shortwave-Bands 10-12-15-17-20-30m. The antennas are feeded with the DK7ZB-match. A quarter-wave choke of coax is grounded at the socket.
  [ Hits: 49859 | Votes: 146 | Rating: 7.08 ]

• Quarter Wave GP VHF Antenna - Quarter wave groundplane antenna for 2 meters FM by AA1PG
  [ Hits: 835 | Votes: 2 | Rating: 1.5 ]

• 6 meter quarter wave antenna - 6 Meter 1/4 Wave Antenna by Mike Fedler N6TWW. A detailed article with pictures of construction details of this 50 Mhz antenna
  [ Hits: 986 | Votes: 1 | Rating: 1 ]

• Ground Plane for 70 cm - A quarter wave ground plane for 70 cm
  [ Hits: 2398 | Votes: 5 | Rating: 9.6 ]

• 80 meters Short Dipole - The best antenna is the simple Dipole. If you have height, you even can put up a quarter wave vertical or an inverted, but sometimes you may need shorten version by 4S7NR
  [ Hits: 15776 | Votes: 9 | Rating: 3.33 ]

• Quarter Wave GP Antenna Calculator - Amateur quarter wave ground plane antenna calculator, calculate vertical and radial length
  [ Hits: 4828 | Votes: 24 | Rating: 6.04 ]

• Bobtail dipole - Bobtails are vertical arrays that look like the letter "E" turned 90° clockwise onto its tails. They have 3 quarter wave vertical elements and are one wavelength long. The Half Square is a shortened Bobtail- it has 2 quarter wave vertical elements and is a half wave long.
  [ Hits: 1898 | Votes: 0 | Rating: 0 ]

• A 1:1 Coaxial Balun  ^{updated  pop} - PDF article about a coaxial 1:1 balun, original concept by I4BBE using a quarter-wavelength and the three-quarter-wave adapting sections with the 50-Ohm coaxial cable by I0QM
  [ Hits: 44409 | Votes: 30 | Rating: 7.22 ]

• The quarter wave transformer - A transient analysis of an inpedance transforming device, by W9DMK, in pdf format
  [ Hits: 994 | Votes: 1 | Rating: 1 ]
• Making a half wave coax cable - How to make a half l or quarter l coax cable for a specific frequency
  [ Hits: 1424 | Votes: 2 | Rating: 5.5 ]

• T-Hunting Antennas  ^pop - 4 Element Cubical Quad, Yagis, LZA Circular Quad, Shrunken Quad , quarter wave, J-Pole, beam mounting , changing polarity
  [ Hits: 29332 | Votes: 26 | Rating: 5.01 ]
• Wireman-J-Poles for 2m-40m  ^{updated  pop} - J-Poles with Wireman-cables for the quarterwave matching section, working on VHF and HF bands
  [ Hits: 27003 | Votes: 250 | Rating: 8.36 ]

• Mobile Portable Whip Antenna - A simple base loaded quarter wave vertical, which can be used on a car or portable by G3YCC
  [ Hits: 2898 | Votes: 0 | Rating: 0 ]

• The Lattin 5 Band antenna  ^{updated  pop} - The antenna was named for W4JRW who invented it and holds a patent on the basic principle and uses quarter wave stubs, 80, 40, 20, 15 and 10 meter bands
  [ Hits: 25598 | Votes: 14 | Rating: 7.43 ]
• Simple HF multiband vertical - A multiband quarter wave vertical antenna that works on 5 bands.
  [ Hits: 1980 | Votes: 2 | Rating: 2 ]

• Harmonically Related Antenna - The HarRe antenna series, multi element quarter wave resonant broadcaters band receiving antenna
  [ Hits: 690 | Votes: 0 | Rating: 0 ]

• Quarter Wave Verticals - One of the most useful antennas in the repertoire is the Marconi or quarter wave grounded vertical antenna. Its invention made it possible to halve the length of antennas, simplifying communications, especially at HF and below.
  [ Hits: 1756 | Votes: 2 | Rating: 7 ]

• Quarter wave antenna - A quarter wave antenna with dimensions for uhf and vhf bands
  [ Hits: 738 | Votes: 4 | Rating: 4.5 ]
• Quarter Wave 80 m vertical Antenna - Homebrew a 1/4 wave 80 meter vertical using aluminium tubing
  [ Hits: 2407 | Votes: 6 | Rating: 7 ]

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