For advanced design look at the picture on the page for eznec software to get an idea of the shape you should be looking for. Free online engineering calculator to find the dimensions of a yagi uda antenna for a given frequency range and length. It was written by a physicist that has always enjoyed dabbling in radio. The separation will remain the same for all the elements and the lengths of these extra directors will all be the same as the 1st director. Long yagis are commonly used from the 144mhz amateur band to the 2. Lets see some antenna calculator and antenna design software that will help you design. This calculator is for short boom simple multi element monoband yagi antennas, and will not give you a perfect 50 ohm match. This page covers 3 element yagi antenna calculator. The yagi designer program was first developed in 1992 on a decvax 3100 and written in fortran, and the output was graphed in mathematica 2. Hf dipole antenna this antenna software will help you design a simple wire dipole antennas for 1 30 mhz. Entiendase, soy radioaficionado y no ingeniero en radio, por ello buscaba algo potable sin tantas matematicas por medio. Yagi calculator is a program to assist with the design of long yagi antennas. If you decide you really need a yagi with more elements, here are the lengths of them. Yagi uda antenna theory, design, simulation on softw are.
However,for thedifferentyagiconfigurations reflectorlengthwas optimized to yieldmaximumgain. A boom length of 2 wavelengths or 10 elements would be a minimum sized antenna. Musthave favourites windows codevisionavr tools snippets. Dimensions used for display and editing can now be set to be in metres, inches, or wavelengths. Elements can now be either a simple dipole, or a square quad shape. The calculators for other antenna types such as parabolic,horn,dipole and patch are also mentioned. Asap antenna scatterers analysis program, is a free general purpose antenna analysis software program for numerical electromagnetic antenna design, modeling and analysis. You can easily get all the important parameters which are required to build this antenna. Coax dipole calculator an efficient program to calculate dimensions of coax dipoles. 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. Our builtin antivirus checked this download and rated it as 100% safe. This article below was written by wa7rai and will serve to introduce you to a computer program for designing yagi antennas that you can download. Yagi calculator yagi calculator is a windows program that also runs well on linux, ubuntu 8.
It is mainly used to help you learn about yagiuda antennas. Yagiuda antennas is yet another free and portable antenna design software for windows. The dl6wu yagi is highly regarded as being easy to build with repeatable results. Yagi builders are reminded that dl6wu designs are primarily for long yagis. Source code and windows executables are available to download. Yagiuda antenna theory, design, simulation on software. T2fd the forgotten antenna on nordic shortwave center. Yagi optimizer is an old dos program made more than 20 years ago by k6sti made to analyze and design antennas. On the other hand, yagis with as few as 8 elements have used the design and worked very well. For low frequency antennas the physical size means that the maximum number of elements and hence the gain is much lower than 20db.
Yagio is similar to lpcad, it uses keyboard commands instead of a mouse menu. It uses the graphs and principles developed by dl6wu and printed originally in the german radio magazine vhf communications march 1982. The latest installation package that can be downloaded is 3. Yagio runs under windows 2000, xp, vista, win 7 and likely win 8. Fully welded omnidirectional yagi antenna, 450470 mhz band split, 3 elements, 7. Typical yagi uda antenna used for television reception. Yagi calculator is a windows program that also runs well on linux, ubuntu 8. The formula and basics of yagi antenna calculator are also explained with example. It has since been converted into a dll with lightning fast speed compiled in the c language. Online calculator yagi uda antenna based on nbs tn 688.
For high gain levels the antenna becomes very long. The dl6wu yagi is highly regarded as being easy to build with repeatable results, broad bandwidth and a useful pattern. Yagi antenna, inverted vees antennas as well as jpoles and traps to extend. G0ksc simple to build, high performance yagi and quad. G0ksc free antenna designs for ham radio g0ksc simple to build, high performance yagi and quad antennas home of the lfa yagi free yagi antenna designs for ham radio shop. Yagi calculator this is where you input the center frequency in megahertz. Elements can be set individually to each type allowing for various combinations giving standard yagi s, quad s, or quagies. Software solutions on arrays and yagi antennas software, elnec antenna modeling and analysis by w7el.
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