circular antennas

circular antennas

Antennas : 70cm

• 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: 176 | Votes: 6 | Rating: 8.83 ]

• 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: 2162 | Votes: 16 | Rating: 6.63 ]

• 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: 1918 | Votes: 2 | Rating: 3 ]
• Helical Antennas -Theory - Helical antenna or helix antenna is the antenna in which the conducting wire is wound in helical shape and connected to the ground plate with a feeder line. It is the simplest antenna, which provides circularly polarized waves.
  [ Hits: 137 | Votes: 0 | Rating: 0 ]

• T-Hunting Antennas  ^pop - 4 Element Cubical Quad, Yagis, LZA Circular Quad, Shrunken Quad , quarter wave, J-Pole, beam mounting , changing polarity
  [ Hits: 29360 | Votes: 26 | Rating: 5.01 ]

• The Lindenblad Antenna: The Ultimate Satellite Omni Directional Aerial - This Antenna project is a bit more complex than other omni antennas for satellite use, but it is much easier and cheaper than a standard tower mounted circular polarized azimuth and elevation rotating beam system.
  [ Hits: 442 | Votes: 5 | Rating: 6.8 ]

• 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: 805 | Votes: 1 | Rating: 9 ]

• 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: 4839 | 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: 2904 | Votes: 2 | Rating: 8.5 ]

• 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 ]

• Cantenna Calculator - A circular waveguide calculator for designing cantennas include source code and windows executable by lincomatic
  [ Hits: 3031 | Votes: 60 | Rating: 4.55 ]