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23 kwi 2019 · Here's some practical ideas to get you thinking on 23cm antennas: * DJ9YW 23cm yagi for DX. * PA4DAN 23cm yagi. * VK1AD's 12 element yagi for portable work. * VK1AD's compact bi-quad antenna. * WA6SVT omnidirectional vertical collinear.
1 sie 2024 · Homebrewing antennas not only allows operators to customize their own setups but also fosters a deeper understanding of antenna theory and construction. Below are five excellent online homebrewed antenna projects that are perfect for portable ham radio use.
12 kwi 2020 · This article discusses the characteristics of a 102 ft. center-fed dipole antenna strung between two 37 ft. poles. It explores predicted feedpoint impedance variations across different frequencies and the corresponding impact on the VSWR for various feedlines, based on EZNEC antenna modeling software predictions.
14 lis 2024 · This arrangement provides a dipole antenna that can be tuned over a wide frequency range across several amateur radio bands. In principle, the dimensions of a twin wire dipole, i.e. the ratio of the length of the dipole and the two-wire line, can be any, provided that it is the same on both sides.
IZ7ATH Projects. Antennas, Keyer, amplifier, transverter, baluns. Ham Radio Homebrewing by IK3OIL. A collection of projects for Amateur Radio Homebrewing enthusiasts. Antenna elevator system for amateur satellites. Smart homebrew antenna-ELEVATOR system with linear actuator.
Mount the completed antenna on the mast about 7 to 8 feet above the ground. Set your radio to the center frequency. Place an SWR bridge between the radio and the antenna. Then apply low power for your test transmission.
Search Antenna Homebrew with DuckDuckGo or with Bing. Antenna construction notes category is a curation of 65 web resources on , Building UHF Antennas, Rolling your own balanced feed lines, Use of tripods to assemble and balance big antennas.
