a quad helix antenna

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a quad helix antenna

12 links - and 1 categories

Antennas : 70cm

  • Quadrifilar Helix antenna for 436 MHz - This is an antenna that author just built. Was intend for receiving the AO-27 downlink (at 436.800 +/- doppler). It is built with right hand circular polarization, and the gain is supposed to be in the neighborhood of 3 DB.
    [ Hits: 3888 | Votes: 4 | Rating: 4.5 ]
Antennas : Helical
  • A Quadruple Helix for AO-40 - A homebrew project of a quadruple helix antenna system based on G3RUH 16 turn helix antenna for 2.4 GHz.
    [ Hits: 8280 | Votes: 10 | Rating: 6.1 ]
Antennas : Homebrewing Techniques
  • How to straighten Microbore copper tube - Article and video showing a technique to straighten Microbore copper pipe that is useful in antenna construction. This technique has been implemented to build a Quadrifiliar Helix antenna.
    [ Hits: 325 | Votes: 0 | Rating: 0 ]
Antennas : Quadrifilar Helix
  • Quadrifilar Helix Antennas - The purpose of this page is to provide information and links about Quadrifilar Helix Antennas. It's the best antenna to use for APT satellite reception
    [ Hits: 5583 | Votes: 5 | Rating: 4.6 ]
  • QFH antenna for weather satellite band - This article describes how to make a quadrifilar helix (QFH) antenna easily, from inexpensive materials: uPVC plumbing pipe and RG-58U co-axial cable
    [ Hits: 4214 | Votes: 16 | Rating: 5.25 ]
  • A quadrifilar helix weather satellite receiving antenna - This article describes how to make a quadrifilar helix (QFH) antenna easily, from inexpensive materials: uPVC plumbing pipe and RG-58U co-axial cable.
    [ Hits: 17049 | Votes: 14 | Rating: 6.01 ]
  • The Quadrifilar Helix Antenna - Article about quadrifilar helix antennas, electrical and physical characteristics, difference between quadrifilar and conventional helix antenna
    [ Hits: 2427 | Votes: 5 | Rating: 7.2 ]
  • Helix Antenna for 137 MHz - A Quadrifilar Helix Antenna for 137 MHz By George Goodroe, KF4CPJ
    [ Hits: 2173 | Votes: 6 | Rating: 4.5 ]
  • Making a Quadri Filar Helix antenna - A homemade Quadri filar Helix Antenna project with detailed pictures that can inspire and guide you on building your onw QFH antenna sor 137 MHz.
    [ Hits: 205 | Votes: 0 | Rating: 0 ]
  • How To Build a Quadrifilar Helix Antenna for Weather Satellites - How to build a QFH (Quadrifilar Helix Antenna) to download images from weather satellites. A complete tutorial on assembling QFH antenna at home with simple and common tools
    [ Hits: 685 | Votes: 6 | Rating: 7.17 ]
  • Making a Quadri Filar Helix antenna - Lot of pictures, drawings and schematics to build your own QFH Quadri Filar Helix antenna for 137 MHz satellite signals reception
    [ Hits: 451 | Votes: 6 | Rating: 3.83 ]
Operating Modes : Satellites : Weather Satellite
  • Quadrifilar helicoidal antenna - Design your own quadrifilar helix, the site even generates a drilling pattern in a PDF file. Several different construction methods are shown.
    [ Hits: 6077 | Votes: 16 | Rating: 6.87 ]

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