Quad Antenna

Quad Antenna

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• A Portable Quad for 2 Meters - Backpacking, boating or mountaintopping ? Invest your time and pack this novel directional gain antenna on your next expedition
  [ Hits: 1577 | Votes: 7 | Rating: 6.86 ]
• 2m Quad Antenna - A basic drawing of a 2 meter quad antenna for 144 MHz
  [ Hits: 2332 | Votes: 5 | Rating: 5 ]
• 2m Quad Turnstile Antenna - The loops are made of 10 mm round aluminum tube. No bending pliers was used to gently bend 90 degrees to obtain a square with 53 cm inner sides. Each loop has an impedance of approximately 100 Ohm. To connect both radiators in phase, a quarter wave long feeder of 100 Ohm is required.
  [ Hits: 207 | Votes: 0 | Rating: 0 ]

• 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: 702 | Votes: 2 | Rating: 9.5 ]
• 6 Meter Quad Turnstile Antenna - A quad turnstile consists of two cubical quad loops oriented in a diamond configuration and angled 90 degrees apart from one another with both diamonds sharing the same top and bottom points
  [ Hits: 369 | Votes: 1 | Rating: 10 ]

• Wire Antenna Calculator - A javascript online calculator for popular wire antennas, from the standard easy to build flat-top dipole, to the inverted V dipole, but also the Quad Loop, and the equilateral delta loop antenna
  [ Hits: 1389 | Votes: 14 | Rating: 7.75 ]
• Quad Antenna On-line Calculator - Cubical Quad Antenna On-line Calculator helps on defining the size of each element and spreader. Simply give the resonating frequency and it will calculate size of each element.
  [ Hits: 292 | Votes: 1 | Rating: 5 ]

• 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: 326 | Votes: 0 | Rating: 0 ]

• Swiss Quad Portabel, DH1PLY - A portable swiss quad antenna project made with components and parts that can be dismounted, in German
  [ Hits: 747 | Votes: 0 | Rating: 0 ]
• WX9DX Quad Antenna - A two meter Quad antenna project with detailed instructions on how to adjust the Quad gamma match
  [ Hits: 1156 | Votes: 6 | Rating: 4.17 ]
• The Cubical Quad is Beautiful - An interesting page about Quad antennas. Modelling QUAD antennas, comparing quad antennas to yagi antennas. Information on QUAD Antenna tuning and home brewing with help on calculating dimensions and tuning.
  [ Hits: 2686 | Votes: 4 | Rating: 10 ]
• Designing VHF/UHF Quad Antenna - The information in this article has come from many amateur sources, the most notable was from WA6TEY (sk 1985) Ray Frost, who was a pioneer of VHF Quad designs and one of the best Southern California Transmitter Hunters. Ray built hundreds two meter quads in single and paired configurations as well as his famous mobile radio direction finding quad.
  [ Hits: 979 | Votes: 7 | Rating: 8 ]

• 137MHz Quadrifilar Antenna - This version of the 137MHz quadrifilar antenna for APT reception is an adaptation from Bill Sykes and Bob Cobey Taming the QFH which appeared in the March 1997 RIG magazine. This article contains detailed 3D pictures and models and detailed pictures.
  [ Hits: 232 | Votes: 3 | Rating: 7 ]
• 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: 207 | 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: 697 | Votes: 6 | Rating: 7.17 ]
• Making a Quadri Filar Helix antenna  ^updated - Lot of pictures, drawings and schematics to build your own QFH Quadri Filar Helix antenna for 137 MHz satellite signals reception
  [ Hits: 459 | Votes: 7 | Rating: 3.43 ]

• Taming the Quadrifilar Helical Antenna - The Quadrifilar Helical antenna provides circular polarization and complete hemispherical reception, which is precisely what is needed to receive the polar orbiting weather satellites, and as a 2 meter antenna it will receive horizontal, vertical and clockwise circular polarization.
  [ Hits: 374 | Votes: 0 | Rating: 0 ]

• WLAN 802.11b/g Bi-quad antenna - Building and testing a WLAN 802.11b/g Bi-quad antenna
  [ Hits: 669 | Votes: 3 | Rating: 4.67 ]

• Status Quad - Amateur radio Quad Antennas manufacturer based in Italy produce HF and VHF Quad antennas, and spare parts.
  [ Hits: 454 | Votes: 0 | Rating: 0 ]

• Notable Patents on Antenna Design - Patents of most popular antenna models including Zeppelin Antenna, Beverage Antenna , Franklin Antenna , Yagi-Uda Antenna , Sterba Antenna , Rhombic Antenna , Turnstile Antenna , Folded Dipole Antenna , Coaxial Antenna , Slot Antenna , Discone Antenna , Quad Antenna Element , Log Periodic Antenna , Swiss Quad Antenna
  [ Hits: 287 | Votes: 0 | Rating: 0 ]

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