Coaxial collinear antenna. On-line antenna designer. This letter intro-duces a high-gain coaxial c...
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Coaxial collinear antenna. On-line antenna designer. This letter intro-duces a high-gain coaxial collinear (CoCo) antenna with a stable . Variations of this antenna have been built and refined by radio amateurs around the world for decades, and many commercial base-station antennas use the same underlying principle, hidden inside fiberglass radomes. Collinear arrays are high gain omnidirectional antennas. Mike's original design was featured in an earlier article in the May 1982 issue of 73, titled "Omni-Gain: A Collinear for 70 and 23 Cm. Courtesy of Mike Lee W7VAQ and his scanner we have that original article. Didn’t win but had a great antenna when I was finished Build A 9 dB, 70cm, Collinear Antenna From Coax Build A 9 dB, 70cm, Collinear Antenna From Coax Recently the RASON technical committee was hard at work at the repeater site repairing our 2 meter repeater antenna. When properly designed and assembled, these antennas can deliver reliable and efficient signal transmission over long distances, making them a valuable asset in a wide range of communication systems, from Coaxial Collinear Antennas One very popular form of collinear antenna is the coaxial collinear as this provides an elegant method construction, especially for experimenters, radio amateurs, etc. The key to its performance is the phasing mechanism—by carefully alternating the connections between the coaxial cable’s center conductor and braid for each section, the current in each radiating A coaxial antenna (often known as a coaxial dipole) is a particular form of a half-wave dipole antenna, most often employed as a vertically polarized omnidirectional antenna. Nov 7, 2025 · A Coaxial Collinear antenna is essentially an array of multiple radiating elements stacked end-to-end, all aligned on a single axis (collinear).
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