circular antenna

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circular antenna

16 links

Antennas : 2M

  • The Cycloid Dipole Antenna - A 2 meter antenna made of copper tubes, offering circular polarization
    [ Hits: 1425 | Votes: 6 | Rating: 6 ]
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: 3463 | Votes: 2 | Rating: 4.5 ]
Antennas : Antenna Calculators
  • Helical Antenna Design Calculator - Helical antennas invented by John Kraus give a circular polarized wave. They are one of the easiest to design. Find a tube with a circumference equal to one wavelength, and wrap wire in a helix spaced a quarter wavelengt
    [ Hits: 1710 | Votes: 12 | Rating: 6.26 ]
Antennas : Helical
  • Helical Feed Antennas - Helical antennas have long been popular in applications from VHF to microwaves requiring circular polarization, since they have the unique property of naturally providing circularly polarized radiation. Paul Wade W1GHZ
    [ Hits: 1672 | Votes: 2 | Rating: 3 ]
Antennas : Horn
  • Horn Antenna for 23cm - General circular-waveguide-horn antenna design
    [ Hits: 436 | Votes: 1 | Rating: 1 ]
Antennas : J-Pole
  • T-Hunting Antennas  pop - 4 Element Cubical Quad, Yagis, LZA Circular Quad, Shrunken Quad , quarter wave, J-Pole, beam mounting , changing polarity
    [ Hits: 28956 | Votes: 26 | Rating: 5.01 ]
Antennas : Lindenblad Antennas : Magnetic Loop
  • Magnetic loop by F5SWN - The magnetic loop, thus named by the use of the magnetic component of the electromagnetic field, is a parallel circuit LC. In this article a sample project to home made a custom antenna. The circular form is often met on the commercial models but this antenna can be hexagonal, octagonal or square.
    [ Hits: 145 | Votes: 3 | Rating: 3.67 ]
Antennas : Patch
  • The Basics of Patch Antennas - This article explores the basic concepts of patch antennas. Topics include principles of operation, impedance matching, radiation pattern, circular polarization, bandwidth, efficiency, alternative feed types, stacked patches and higher mode behavior.
    [ Hits: 528 | Votes: 1 | Rating: 9 ]
Antennas : Receiving
  • Archimedean Spiral Antenna for RTLSDR - Dodgy plans to make Archimedean spiral antenna for RTLSDR software defined radio receiver. Made of two equal lengths of coaxial cable seems to be the easiest circularly polarized antenna to make that will cover a broad range of the rtlsdr dongles E4000 tuners
    [ Hits: 703 | Votes: 1 | Rating: 10 ]
Antennas : Satellite
  • Types of Antennas for Satellites - What type of antenna should I get? Well, the best type of antenna for working the OSCAR satellites are circular polarized antennas
    [ Hits: 4720 | Votes: 3 | Rating: 4.33 ]
  • Eggbeater II Omni LEO Antennas - Presented here is a high-performance, circularly polarized omni-directional antenna that is easy to build, easy to tune, inexpensive, and will work all the mode J Low Earth Orbit (LEO) satellites
    [ Hits: 2643 | Votes: 1 | Rating: 8 ]
Antennas : Theory
  • Antenna Polarization notes - Antenna polarization is a very important consideration when choosing and installing an antenna. Most communications systems use either vertical, horizontal or circular polarization. Knowing the difference between polarizations and how to maximize their benefit is very important to the antenna user.
    [ Hits: 2292 | Votes: 4 | Rating: 3.5 ]
Antennas : VHF UHF
  • The Skew-Planar Wheel Antenna - This is a very useful aerial design,forgotten for 40 years. This antenna offer a low omnidirectional pattern and has circular polarization. Can be used as a beacon antenna and simulations are for U-VHF and upper
    [ Hits: 516 | Votes: 3 | Rating: 4 ]
Manufacturers : Antennas : VHF UHF Microwave
  • 1296 by KB2AH - Specialized 1296 Mhz Equipment, Circular Feeds, LNA, power amplifiers, Antenna systems, Test equipments, antenna mounting blocks
    [ Hits: 641 | Votes: 0 | Rating: 0 ]
Software : Antenna analysis
  • Cantenna Calculator - A circular waveguide calculator for designing cantennas include source code and windows executable by lincomatic
    [ Hits: 2880 | Votes: 60 | Rating: 4.55 ]

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