quad
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Antennas : 2M- 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: 1576 | Votes: 7 | Rating: 6.86 ]
- 2m Quad Antenna
- A basic drawing of a 2 meter quad antenna for 144 MHz
[ Hits: 2330 | 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 ]
- 40m Quagi Beam
- A 7 MHz wire antenna that is a mix of a Quad and a Yagi design. This antennas are often used on VHF.
[ Hits: 1058 | Votes: 4 | Rating: 7.75 ]
- 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 ]
- 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: 1387 | 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: 289 | 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: 325 | Votes: 0 | Rating: 0 ]
- Shrunken 40 Meter Phased Quads
- A 2 element small footprint 40 meter phased, reversible, downsized quad array antenna.
[ Hits: 1150 | Votes: 4 | Rating: 8 ]
- 2 Meter Quad PVC Pipe Antenna
- A four elements quad antenna for 144 MHz made with PVC pipes
[ Hits: 983 | Votes: 2 | Rating: 6 ]
- Swiss Quad Portabel, DH1PLY
- A portable swiss quad antenna project made with components and parts that can be dismounted, in German
[ Hits: 746 | 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: 1152 | 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: 2684 | 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: 961 | Votes: 7 | Rating: 8 ]
- The Quagi Antenna Turns 40
- It has been 40 years since the VHF-UHF Quagi antenna--a combination of the desirable features of a Yagi and a cubical quad--was developed and the design was first published in the newsletter of the Southern California VHF Club, a forerunner of today's Western States Weak Signal Society.
[ Hits: 467 | Votes: 1 | Rating: 10 ]
- 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: 668 | Votes: 3 | Rating: 4.67 ]
- Antenna Europe
- Antenna Europe is an Lithuanian ham radio HF antenna manufactured specialized in Quad Antennas. Makers of Cubical Quad Antennas, Yagi Antennas, Antenna switches, Transformers and Robinzon Antennas
[ Hits: 1275 | Votes: 1 | Rating: 1 ]
- Status Quad
- Amateur radio Quad Antennas manufacturer based in Italy produce HF and VHF Quad antennas, and spare parts.
[ Hits: 453 | Votes: 0 | Rating: 0 ]
- Big Signal
- Amateur Radio HF Cubical Quad and Delta Loop antennas manufacturer based in Spain
[ Hits: 1050 | Votes: 0 | Rating: 0 ]
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