3 elements yagi design for windows

Yagi calculator is a windows program also runs well on linux ubuntu 8. Enter the desired frequency then click on calculate and the optimum values for that combination will be displayed in feet, inches and fractions of inches, and in meters. Spacing is on the antenna bar holding the elements, with equidistant spacing from each of the outside elements to the driven element. Education software downloads yagi designer by goforth laboratories and many more programs are available for instant and free download. Download yagi lightweight program that provides users with a simple means of calculating various parameters pertaining to your yagiuda antenna.

I have some half inch copper tubing used it to build a copper jpole for 2 meters, and some 1 pvc pipe lying around. This design can then be optimised or scaled to suit particular requirements. Design i downloaded the yagi uda antenna design utility yagi. Here seven bulletproof yagi, from 3 to 8 elements, from 2. Jan 23, 2008 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. Design i downloaded the yagiuda antenna design utility yagi. This antenna has excellent fr and gain while maintaining a decent swr bandwidth. The other three outer elements are called parasitic elements. Yagi calculator is a windows program that also runs well on linux, ubuntu 8. A short boom, wideband, three element yagi for 10 meters. Viezbicke, yagi antenna design, nbs technical note 688, u.

A 3 element yagi antenna for the 11m band from the vortex lightweight range. Our builtin antivirus checked this download and rated it as 100% safe. Investigation of mutual coupling effect on the performance of. The jk403 is a great performer antenna on a 26ft boom for 40m. Jan 22, 2015 i have some half inch copper tubing used it to build a copper jpole for 2 meters, and some 1 pvc pipe lying around. The proposed design shares a possibly significant property with the standard three element yagi. If you decide you really need a yagi with more elements, here are the lengths of them. Yagi antenna gain, directivity, front to back ratio. The main category is antennas for 2 meters band that is about antenna projects for 144 mhz.

The element construction does not need trussing unless you live in snowice conditions. Compared to a dipole the mentioned gain of 6 db will provide an equivalent from 400 watt on a dipole to 100 watt on the 3 elements yagi. Some are based on lookup tables, some completely hide their algorithms. A fourth director element at the same spacing and the same length as the present director provides good 4 element yagi performance. The main category is ham radio directional yagi antennas that is about yagi antennas for ham radio use, manufacturers, plans and design. Collapsible 3element, 2meter yagi ae5ph radio notebook. Typically a reflector is the first element added in any yagi design as this gives the most additional gain, often around 4 to 5 db. 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.

The 369 wire yagi an alternative yagi tuning scheme. The calculator creates equal spacing between the elements, which achieves a balance between good bandwidth performance and a decent 50ohm match. The elements are active element, reflectors and directors 8, 9. Kitchen design software is technical kitchen design software capable to draw different room layouts, floor designs for modern kitchen in less time.

Oct 08, 2014 download yagi lightweight program that provides users with a simple means of calculating various parameters pertaining to your yagi uda antenna. The simulations of yagiuda antenna are carried out using windows based 4nec2 antenna modeler. Listed under the antennas2m category that is about antennas for 2 meters band. By contrast, most 3element yagi designs that do not need a matching network have gains that are near to or exceed 1 db lower than those of the highperformance designs. The middle element is the simple halfwave, folded dipole. Using this software, you can design and build your own yagi antenna. Stay here to learn how to design a 3 element yagi for whatever frequency or wavelength you want. Pdf design and analysis of 3element yagiuda antenna for. Calculator 3element yagi maple leaf communications. Both use directors and therefore show a rising gain value as we increase frequency across the band. The changes in driving point impedance of the fed 3 element yagi uda antenna with respect to interelement distance are plotted for collinear and broadside coupling in fig. I will talk with my friend on 10 meters tonight, and see if he realizes how large of an antenna this is gonna be.

The kd5ivp 2 meter 3 element backpacker yagi antenna project. B cebik website download yagimax here is a download link to yagimax 3. The reception pattern of a directional type antenna is shown below, left. Jim added a 69foot long reflector wire a quarter wave behind the dipole and a 63foot long director wire a quarter wave in front of it. Kitchen design software ideally switched to any of the kitchen room plans in diverse layouts such as. 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. The third design is a short boom yagi, also by k6sti, that requires a 7. I found an online 3 element yagi design program, entered 7.

Hence, the use of a matching system should not be considered a negative aspect of a design, so. As is standard windows practice, doubleclick on the filename to open it, or singleclick on it and select open. By contrast, most 3 element yagi designs that do not need a matching network have gains that are near to or exceed 1 db lower than those of the highperformance designs. A screen capture of the design resulting from my parameters is shown below. 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. The most obvious factor that affects the yagi antenna gain is the number of elements in the antenna. This page covers 3 element yagi antenna calculator.

Maple leaf communications antenna calculator 3element yagi. The boom and mast pieces are held together with a pvc t joint. The changes in driving point impedance of the fed 3element yagiuda antenna with respect to interelement distance are plotted for collinear and broadside coupling in fig. Investigation of mutual coupling effect on the performance. About 3 element portable yagi for 2 meters the resource is currently listed in in 3 categories. This will act as an insulator for your elements as they pass through the arrow shafts. Utilizing the same 10 ft boom, i was able to design an antenna that has good swr 1. The pattern for an omnidirectional antenna is shown on the right. Yagicad is a fully integrated analysis and design package primarily intended for vhf yagi aerials. This is, of course, as coarse approximation for the stepped diameter of.

We can also provide you with custom settings to suit your operating preference such. All are designed with one goal in the mind, to maintain a solid gain and fb and swr ratio over the band. Long yagis are commonly used from the 144mhz amateur band to the 2. Because the antenna is hand held, power should be kept to less than 10 watts maximum. When you improve your system you will notice a big difference between a 2 or 3 elements yagi. The animated image shows the radiation pattern of the antenna, the gain varies from just under 9 db to over 10 db over the frequency range 876 mhz to 960 mhz, covering the three main gsm900 bands. The 3 69 40 meter wire yagi is a simple 3 element yagi made with ordinary antenna wire. Two 18 inch pieces become the boom where the elements are installed. Most people looking for yagi designer software for windows downloaded. This link is listed in our web site directory since tuesday feb 26 2008, and till today 3 elements vhf yagi antenna has been followed for a total of 256 times.

The 369 40 meter wire yagi is a simple 3element yagi made with ordinary antenna wire. Anything is scaled to 11m from the 10meter arrl project. Although not shown in the original drawing, it is assumed the the t is about 2 inches long. About 3 elements vhf yagi antenna the resource is currently listed in in 2 categories. Make payments with paypal its fast, free and secure. Conventional yagi uda antenna with various linear dipole elements.

Design and analysis of 3element yagiuda antenna for wind. The simulations of yagi uda antenna are carried out using windows based 4nec2 antenna modeler. This link is listed in our web site directory since tuesday oct 2009, and till today 3 element portable yagi for 2 meters has been followed for a. This software can not only be used to design but also to find out antenna gain, stacking distance, and standing wave ratio swr.

This link is listed in our web site directory since tuesday oct 2009, and till today 3 element portable yagi for 2 meters has been followed for a total of 5819 times. Yagi design software software free download yagi design. I elementsthe yagi antennas basic design is a resonant fed dipole the fed dipole. Wc7i provides a calculator for a 3 element yagi design. The above fig shows a yagi antenna consisting of four elements. The following text contains some basic yagi design concepts aimed toward.

The latest version of yagi designer can be downloaded for pcs running windows xpvista7810, 32. 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. This is, of course, as coarse approximation for the stepped diameter of the whips. Can be used in horizontal or vertical polarization. Download yagi designer software for windows for free. I elements the yagi antennas basic design is a resonant fed dipole the fed dipole. Arrow antenna hand held portable 440 3ii 3 element yagi satellite. The antenna is made with our high quality, heavy duty materials and hardware.

There are several features of the design of a yagi antenna that affect its gain. With yagicad it is possible to enter a base design from scratch or use one of a number of saved well known designs. Antenna calculator calculate your dipole, 3 element yagi etc find the length of a dipole. The effects on gain of the 3 element yagi uda antenna in presence of another antenna for the two coupling conditions are shown in fig.

Arrow antenna hand held portable 440 3ii 3 element yagi. It is quite possible, that other calculators deliver slightly different results. This is where you input the center frequency in megahertz. Fig 2the common dialog window for selecting a yagi file.

The effects on gain of the 3element yagiuda antenna in presence of another antenna for the two coupling conditions are shown in fig. The formula and basics of yagi antenna calculator are also explained with example. Manufactured from lightweight but extremely strong construction grade 6082t6 aluminium stock, this full size computer optimised antenna is an excellent balance between weight and strength. It is termed the driven element because it is only element that is directly connected to the fm transmitter circuit, driving the entire antenna. Vortex antenna systems radio communication antenna. Conventional yagiuda antenna with various linear dipole elements. The above plots are just an example to give an idea of what the radiation pattern of the yagiuda antenna resembles. The original design started with a 66foot long dipole for 40 meters. An active element is the one to which the source or excitation is applied. Yagi calculator is a free antenna design and analysis software for windows. The longest part is 530 mm, easy fit to your backpack. Hence, the use of a matching system should not be considered a negative aspect of a design, so long as the feedpoint impedance does not go too low.

Marc, the owner of the antenna above, worked since 2000 with 100 watts till now march 2006 225 dxcc ssb. The main aim of this paper is to design a 3 element yagi uda antenna for wind profiler radar system. I currently use the copper jpole to work aprs packet through the international space station, but got thinking that a directional yagi may produce better results. Direction of the strongest transmitted signal is from the reflector toward the director.

So i thought why not build a 3 element yagi for 2 meters. This will separate your feedline at the feed point. Notice that i entered parameters for tapering elements. Yagi calculator by john drew, vk5dj to develop dl6wu style yagis for vhfuhf. The dl6wu yagi is highly regarded as being easy to build with repeatable results, broad bandwidth and a useful pattern. The calculators for other antenna types such as parabolic,horn,dipole and patch are also mentioned. The latest installation package that can be downloaded is 3. The main aim of this paper is to design a 3element yagiuda antenna for wind profiler radar system. 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. Directional antennas are typically yagi type, nondirectional are dipole type. In this menu, you need to submit values of multiple.