circular polarization

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circular polarization

8 links

Antennas : 2M

  • The Cycloid Dipole Antenna - A 2 meter antenna made of copper tubes, offering circular polarization
    [ Hits: 1934 | Votes: 15 | Rating: 7.2 ]
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: 3889 | Votes: 4 | Rating: 4.5 ]
  • Cross-Yagi 10el Antenna for 70cm - 10 Elements Cross-Yagi Antenna for 433 MHz. The base of the 10el antenna is the recalculated RA6FOO antenna.Circular polarization is realized - by a phasing quarter-wave line, matching of horizontal and vertical polarization antennas
    [ Hits: 173 | Votes: 6 | Rating: 8.83 ]
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: 1917 | Votes: 2 | Rating: 3 ]
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: 803 | Votes: 1 | Rating: 9 ]
Antennas : Satellite
  • 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 ]
Antennas : Theory
  • Understanding Antenna Polarization - What is antenna polarization, and why does it matter. Horizontal versus Vertical versus Circular polarization. Undestanding how antennas perform better with different polarizations.
    [ Hits: 169 | Votes: 1 | Rating: 2 ]
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: 607 | Votes: 3 | Rating: 4 ]
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