beam antenna
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Antennas : 10M- Two on 10
- A two element beam antenna for ten meters band. This home-brew two-element beam is the perfect introduction to rolling your own gain antenna
[ Hits: 330 | Votes: 2 | Rating: 8 ]
- The Vertical Buddi Beam for 20m
- The Vertical Buddi Beam on 20m using no Coils. n this article I am going to describe a totally new way to construct and use a very old design the two element Yagi antenna. Unlike the traditional Yagi this design does not require a Tower or a boom, it is 100 percent portable and most important high- performance and easy to assemble using standard Buddipole components.
[ Hits: 569 | Votes: 2 | Rating: 4.5 ]
- VHF Bi-Square Beam Antenna
- 2 Wavelength ,2 Meter Bi-Square Beam , 5dbd gain. This antennas are very cheeap to build and their radiation pattern is similar to a figure 8 with maximum signal through the loop but they may be used as a near-omnidirectional antenna
[ Hits: 185 | Votes: 2 | Rating: 9 ]
- 50 MHz Omnidirectional antenna
- Horizontal polarized omni directional 50MHz Antenna.
This antenna is intented to use in a contest station as a second system beside the stacked yagi beam system.
An omnidirectional systeem can be an advantage when it comes to short openings on wich the operator must react quickly.
[ Hits: 309 | Votes: 6 | Rating: 2.5 ]
- Online Yagi Antenna Calculator
- HF Beam Calculator for Amateur Radio and CB Communications
[ Hits: 545 | Votes: 16 | Rating: 5.5 ]
- 3 Element Yagi Calculator
- This calculator is designed to give the critical information of a particular beam antenna, in this case a three element Yagi, for the frequency chosen.
[ Hits: 435 | Votes: 5 | Rating: 5.6 ]
- History of the Hexbeam Antennas
- The original HEXBEAM was developed by Mike Traffic, N1HXA, in the early nineties. It is true that an M over W configured yagi antenna that resembled a butterfly was earlier tried successfully. But the advanced electrical design, the characteristic nesting concept and central terminal post that enable the multi band functionality along with the basic hardware design were all developed by Mike Traffie.
[ Hits: 129 | Votes: 2 | Rating: 7.5 ]
- HexBeam Antenna Explained
- A hexagonal beam is a form of the Yagi antenna which is based on parasitic principles developed early in the last century in Japan for achieving gain in one direction.How HexBeam antennas works. A hexagonal beam operates exactly like Yagi antenna, but instead of a driven element that is straight like a dipole, it is a wire bent into the shape of the letter M.
[ Hits: 167 | Votes: 0 | Rating: 0 ]
- Spiderbeam VS Hex Beam
- Differences of Hex Beam and Spiderbeam antennas designs, performance and measurements, rotor considerations when using this two kind of antennas
[ Hits: 408 | Votes: 6 | Rating: 9.67 ]
- What is Horn Antenna
- Horn Antenna - The energy of the beam when slowly transform into radiation, the losses are reduced and the focussing of the beam improves. A Horn antenna may be considered as a flared out wave guide, by which the directivity is improved and the diffraction is reduced. One of the first horn antennas was constructed in 1897 by Bengali-Indian radio researcher Jagadish Chandra Bose in his pioneering experiments with microwaves. The modern horn antenna was invented independently in 1938 by Wilmer Barrow and G. C. Southworth. This Horn model antenna is suitable employed in the UHF or SHF radio bands. Making this horn model antenna it will be easy for a beginner to make if it works in the 10GHz frequency, because small dimensions so it is not so difficult and also offers gain up to 25dBi.
[ Hits: 74 | Votes: 0 | Rating: 0 ]
- HF Multiband Moxon Antenna
- A project that describes a build a multiband wire beam antenna. A 3 band single feed moxon antenna for 20,15,10 meters.
[ Hits: 683 | Votes: 13 | Rating: 7.54 ]
- Moxon Beam for 2m
- A home made, dirty and quick moxon antenna for 144 MHz made with PVC pipes.
[ Hits: 193 | Votes: 1 | Rating: 9 ]
- 2 Meter Portable Yagi Antenna
- 144MHz 2m Portable Yagi VHF Beam Antenna. This page contains construction details on a 2 metre 144MHz VHF Yagi beam antenna, designed for portable use.
[ Hits: 135 | Votes: 0 | Rating: 0 ]
- The 2BD beam antenna for 20 meters
- A light portable 2 element Delta beam antenna for 14 MHz. It is basically a two element delta loop wire antenna made for portable usage providing good directivity and a 4.2 dBd gain
[ Hits: 183 | Votes: 1 | Rating: 8 ]
- A Simple 2 Element Quad Antenna for 10 meters
- Quads beams consist of 2 1 wavelength (approximately) loops, ordinarily arranged so that one is the driven element and the other is the reflector. In this project author explains how to build a two element Quad Antenna for the 28 MHz.
[ Hits: 271 | Votes: 1 | Rating: 7 ]
- What We Can Expect from a 2-Element Beam
- Method, Units of Measure, and the Dipole Standard of Reference. This article helps in understanding where does beam gain come from in directional aerials like in example Yagi antennas.
[ Hits: 101 | Votes: 0 | Rating: 0 ]
- VHQ HEX BEAM Antennas
- New generation Hex Beam Antennas. VHQ HEX Products, located in Peterborough, NH, is owned and operated by David M. Lavoie. Our products are designed to solve issues encountered in Ham radio applications and move with todays configurations in an ever changing climate
[ Hits: 252 | Votes: 0 | Rating: 0 ]
- NA4RR HexBeam
- NA4RR manufacture a six band hexagonal beam antenna for ham radio, covering 6, 10, 12, 15, 17, and 20 meter.
[ Hits: 156 | Votes: 0 | Rating: 0 ]
- ANjo Antennen
- Amateur radio antenna manufacturer produces mainly VHF UHF beam antennas based in Germany
[ Hits: 104 | Votes: 1 | Rating: 1 ]
- SteppIR UrbanBeam Review
- A review of the SteppIR UrbanBeam antenna a two element Yagi antenna working 40-6 meters. The UrbanBeam is a good choice for those thare are limited by lot size, regulations, city regulations.
[ Hits: 191 | Votes: 1 | Rating: 1 ]
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