The latest version of yagi designer can be downloaded for pcs running windows xpvista7810, 32. The main category is 20 meter yagi antenna plans that is about plans for a 20 meter yagi antenna. This page covers 3 element yagi antenna calculator. Listed under the antennasyagi category that is about ham radio directional yagi antennas. Design by yagi is a silver jewelry wholesaler located in the diamond district of new york city. This organization has been operating for approximately 12 years. The owa is implemented in a dipole or monopole antenna by placing a parasitic. The calculators for other antenna types such as parabolic,horn,dipole and patch are also mentioned. Computer programs that automatically optimises antennas are also available and frequently used by amateurs. A well designed yagi antenna as per the design given below can cover a line of site distance of even 5 kms with just 1 watt rf power.
Yagi designs inc in beverly hills, ca 310 3858422 profile. For quite some time modelling of antennas in the computer has been a standard procedure, available to a large number of radio amateurs. The formula and basics of yagi antenna calculator are also explained with example. The company was founded by rabi and yagi family on 2008 with the intent of bringing new and exceptional jewelry designs in the jewelry market. Its a current model, but it favors the upper vhf and uhf bands since most tv stations have actually moved their signal.
Fig 2the common dialog window for selecting a yagi file. In understanding the basic yagi antenna theory, the different elements of the yagi antenna react in a complex and interrelated way. While the 20m performance was unaffected by the interlacing, much optimization had to be performed to bring the 15m statistics back up to their monoband performance. The software model for the antenna shows that the maximum gain of the antenna at 15m agl is close to 15 dbi at an elevation angle of 18 deg.
I then changed the driver system to a pair of phased drivers in order to a short boom, wideband, three element yagi for 10 meters. The gain of an an antenna with parasitic elements varies with the spacing and tuning of the elements, and thus for any given spacing there is a. About 20m 3element yagi plans the resource is currently listed in in 2 categories. This 5 element 20m yagi gives you tremendous performance with a very high gain on a 36ft boom. Meserves excellent site, since it allowed me more elements for the length of boom i had vs john drews yagi calculator. May 16, 2020 yagi calculator is a windows program that also runs well on linux, ubuntu 8. As is standard windows practice, doubleclick on the filename to open it, or singleclick on it and select open. This design can then be optimised or scaled to suit particular requirements. K8az 20 10 meter yagi design august 12, 20 greg ordy, w8wwv v1. Yagi design software, free yagi design software software downloads, page 3.
Im concerned that the angle of radiation will be to high to be useful for asia or europe from northern california. This article is not designed to give you construction details for building a yagi. The diameter of the boom if it is a conductor has a great effect on the gain at a given frequency. Free online engineering calculator to find the dimensions of a yagi uda antenna for a given frequency range and length. Autoez optimizer before the project started, all of the available 10m yagis with boom lengths. Yagi calculator is a windows program that also runs well on linux, ubuntu 8. The antenna comes with our high quality, heavy duty materials and hardware. Electromagnetics code nec4 and necopt optimization software. The dl6wu yagi is highly regarded as being easy to build with repeatable results, broad bandwidth and a useful pattern.
The gain of an an antenna with parasitic elements varies with the spacing and tuning of the elements, and thus for any given spacing there is a tuning condition that will give maximum gain this spacing. Department of commercenational bureau of standards, december 1976. With yagicad it is possible to enter a base design from scratch or use one of a number of saved well known designs. Group by default called antenna book software containing all the icons for the antenna. Searching for a halfsize halfsize 2element yagi, i found the design by gary hanson kj5vw, ref. Heres a couple of yagimax screenshot taken from my computer running linux, ubuntu gutsy. Yagiuda design dimensions can vary significantly with differences in element diameter, boom material, elementtoboom attachment method, and other factors that are ignored by this simple calculator.
Ur0gt match is used for matching the antenna with a coaxial cable. Using eznec, autoez or other antenna modeling software on your computer. The program should be running now within windows 95, 98 or nt in a separate window. Although this video refers to a specific model, it can be used as a reference for all the yagi 620 models elements length 5,4 m. Typically a reflector is the first element added in any yagi design as this gives the most. This link is listed in our web site directory since wednesday nov 24 2010, and till today 20m 3element yagi plans has been followed for a total of 4047 times. I found that a contorted dipole i heard its officially called a zigzag design strung up on my ceiling works surprisingly well. Yagiuda antenna design procedure boom reflector directors driven element s ij i j n d d 1 2 3 l i figure 1 yagiuda antenna layout notes. Yagi calculator is a free antenna design and analysis software for windows. It is designed to give you a better basic understanding of how the yagi is designed and the basic functions of each of its parts. Some are based on lookup tables, some completely hide their algorithms. Is 18ft an acceptable maximum height for a 20 meter beam. For the highest gain or discriminating against an interfering signal 20deg40 deg azimuth off the desired signal, we use a yagi antenna.
Elevation plot of this antenna at 20m above ground. Wide element spacing, large element diameter, wide pattern bandwidth, and low q matching systems will all add to a wider impedance bandwidth. Yagio allows you to create dl6wu long yagi antennas on any frequency, typically on vhf and uhf ham frequencies. Yagi antenna design and how to understand basic yagis condensed and reedited from various sources. The calculator creates equal spacing between the elements, which achieves a balance between good bandwidth performance and a decent 50ohm match. Describe your experience with the yw, yagi for windows by n6bv and tell us why you. The meaning of yw abbreviation is yagi for windows. The impedance matching device will now operate at its optimum bandwidth. Computer design of very high gain yagi antennas sm 5 bsz, leif asbrink. The antenna has been optimized for good fr and swr performance across the band. Pg1ns ham radio site 2m projects directional antennas. Plans for a 20 meter yagi antenna category is a curation of 17 web resources on, monoband yagi for 20 meters, 2 element yagi, 2elementyagis for hf.
Using this software, you can design and build your own yagi antenna. In depth yagi antenna theory can be complicated, but a basic understanding of how a yagi antenna works can provide sufficient insight for many applications and for basic design purposes. There are several features of the design of a yagi antenna that affect its gain. Please do a click just ahead of the question yn and type y plus enter. My 10 meter 5 ele 18 ft boom yagi worked gangbusters back in the last cycle in 2001. When loading into your software, you will see similar swr but not the same. You can change the frequency parameters for other bands, and have it optimize and recalculate lengths to match. A fullsize dipole antenna for the 20 mtr band spans about 10 meters 33 ft. Download yagi uda design program by dl6wu in case you get a password or login request to download the program, please let me know by emaili will send the compressed file directly to your email address.
Started on february 2012, i tried a few time to build it but failed, swr very high. The antenna shown here is a 6 element owa yagi for 2 meter amateur radio band, scaled from its 6 meter counterpart, the design was taken from l. This organization primarily operates in the design services business industry within the business services sector. It is quite possible, that other calculators deliver slightly different results. Its a yagi design program that has some basic templates already installed. Stay here to learn how to design a 3 element yagi for whatever frequency or wavelength you want. The most obvious factor that affects the yagi antenna gain is the number of elements in the antenna.
The two element yagi functions as a beam antenna on 20m, 17m, 15m, 12m. Jan 23, 2008 for your information, dosbox is also available for windows operating system too. Describe your experience with the yw, yagi for windows by n6bv and tell us why you give it the rating you did required. In understanding the basic yagi antenna theory, the different elements of the yagi antenna react in. G0ksc simple to build, high performance yagi and quad. In this design, i started with a simple narrow band driver director array. Other useful information would include your experience with similar products, infomation on a product that you would purchase instead of this one, and so on. I have had oodles of fun with their 2element 20m yagi template.
Maple leaf communications antenna calculator 3element yagi. Download yagi designer software for windows for free. These adjustments can be easily and quickly made using antenna design software. Yagio is similar to lpcad, it uses keyboard commands instead of a mouse menu. Yagi design software software free download yagi design. A thorough reading and understanding of the other sections are necessary to comprehend all the terms used on this page. Pv4 yagi antenna by w2pv pv4, w2pv 4 element yagi antenna as described in arrl antenna handbook 15th edition. It is not necessary to understand all the terms and theories described to buildread more. Yagio runs under windows 2000, xp, vista, win 7 and likely win 8. For your information, dosbox is also available for windows operating system too. This short video shows the main steps to assemble an ultrabeam yagi 2 elements 620. The latest installation package that can be downloaded is 3.
Our builtin antivirus checked this download and rated it as 100% safe. Kitchen design software ideally switched to any of the kitchen room plans in diverse layouts such as. This software can not only be used to design but also to find out antenna gain, stacking distance, and standing wave ratio swr to design the antenna, you need to go to task design yagi menu. In this menu, you need to submit values of multiple. It is quite a bit different than yagimax a much older dos based yagi software that i am very familiar with. For some reason arrl removed the article from their publications so this great design is not available in print to waste ham community.
It is very simple and efficiency yagi antenna with wide pass band. Designing 28 mhz 3 elements wire yagi antenna using mmana. A short boom, wideband, three element yagi for 10 meters. Education software downloads yagi designer by goforth laboratories and many more programs are available for instant and free download. Sm 5 bsz computer design of very high gain yagi antennas. Despite these caveats, yw will get you very close to a final design one where you can simply cut the elements and. Nw3z has recently designed a series of 10, 15 and 20m monoband yagis for use at. Most people looking for yagi designer software for windows downloaded. Viezbicke, yagi antenna design, nbs technical note 688, u. Designing 28 mhz 3 elements wire yagi antenna using mmanagal free software.
Zxyagi beamsrichtantennen kurzwellenantennen antennen. Vhfuhf portable yagiuda antenna design and construction notes by xe1mex. A channel master cm3671 supplied the boom and elements. Several other notes exist with information leading up to this design. All two element driver director yagis have a very narrow bandwidth. Yagicad is a fully integrated analysis and design package primarily intended for vhf yagi aerials. Yagi antenna gain, directivity, front to back ratio. The overall design the general layout of the beam is shown in the lead photo. Yagi uda design dimensions can vary significantly with differences in element diameter, boom material, elementtoboom attachment method, and other factors that are ignored by this simple calculator. My homebrew 3 elements 20m monoband yagi after used grrv for all bands especially on 20m, i decided to build my own 20m yagi because i always monitor indonesian stations got pile up on 20m while using beam antena. Kitchen design software is technical kitchen design software capable to draw different room layouts, floor designs for modern kitchen in less time.
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