The dl6wu yagi is highly regarded as being easy to build with repeatable results. Use our simple calculator to determine approximate dimensions of materials needed to build a 3element yagiuda antenna, and then shop for your needs on our other pages and select from our inventory of aluminum, fiberglass, coax, connectors, and other parts and accessories for amateur radio and other radio applications. Effective jan 2016 i will be changing web hosting providers and as such a complete redesign of my website using a content management systemcms to better design and host the site. Nowadays, in the 64bit era, with the advent of windows 7 and higher, running a old msdos program is very hard, but fortunately someone thought to us. With yagicad it is possible to enter a base design from scratch or use one of a number of saved well known designs. K7mem vhfuhf yagi antenna design design software written in. The software provides a datasheet with the required element lengths and positions, and further specs for the coax connection balun. 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. Antenna design calculators category is a curation of 83 web resources on, parallel square conductor transmission line calculator, analysis of antenna mast strength and bending stress, full wave loop antenna calculator. K7mems online yagi design tool design your own 3g yagi using this simple online. Here is my first reliable and still working yagi antenna for my radios pmr446, 14 elements, 2. Supports 32 bit, x86 and 64 bit x64 architecture for windows operating systems. This is the software perite used to design the perite 850 and 900 yagis.
Long yagi are commonly used from the 144mhz amateur band to the 2. Download yagi designer software for windows for free. Kitchen design software is technical kitchen design software capable to draw different room layouts, floor designs for modern kitchen in less time. T2fd the forgotten antenna on nordic shortwave center. Though it is not as accurate with antenna temperature and gt as the tant program. This link is listed in our web site directory since saturday sep 17 2005, and till today vhfuhf yagi antenna design has been followed for a total of 145066 times. This design can then be optimised or scaled to suit particular requirements. Yagi calculator this is where you input the center frequency in megahertz. If you decide you really need a yagi with more elements, here are the lengths of them. Ive used k7mem s loaded dipole calculator and it certainly works. Ive also used his calculator as a starting point for antennas that i then modeled in eznec to figure out second order impacts like swr bandwidth and his calculator agrees nicely with modeling programs. Ive used k7mems loaded dipole calculator and it certainly works. Yu7ef lowtemperature antennas with clean patterns, all optimized for 50 ohm feed.
The calculators for other antenna types such as parabolic,horn,dipole and patch are also mentioned. Build a 70cm band yagi for amateur satellite tracking. Dipole antenna length calculator dipoles antennas are easy to build and can be very effective when placed half a wavelenth or more above ground. 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. Eplane m hplane m eplane ft hplane ft you might consider using eplane 3db hbpw angle measured on real yagi in this calculator.
I also mention yagi analysis by sm2iev, because in its time it made an impact on the vhf uhf yagi developer scene. Kitchen design software ideally switched to any of the kitchen room plans in diverse layouts such as. It has 1 reflector, 1 driven, and 4 director elements. Folded dipole fully insulated from boom directorreflector diam 2. The following text contains some basic yagi design concepts aimed toward. The formula and basics of yagi antenna calculator are also explained with example. Audionuts yagi pdf a different yagi version using the k7mem design tool. It is quite possible, that other calculators deliver slightly different results. Enter the desired operating frequency in megahertz to get a good starting length for a dipole in both feet and meters. Ur5eaz stacking distance calculator for yagiuda antennas. Antenna the antenna gain is a function of the number of dipole elements. Design your vhf yagi antenna online, a javascript enhanced web page that implements the design of an antenna in the vhf, uhf by k7mem. Education software downloads yagi designer by goforth laboratories and many more programs are.
Martin k7mem website takes you to a javascript page that allows you to specify what material you have available. Let s see some antenna calculator and antenna design software that will help you design faster and better. A good yagi design is as easy to build as a poor one. Below is a javascript that i wrote in order for you to quickly calculate the dimensions for a seven element yagiuda antenna. About vhfuhf yagi antenna design the resource is currently listed in in 2 categories. The main category is antennas for vhf uhf bands that is about antennas for vhf and uhf radio bands. I homemade this antenna spending 0, recycling two old vhf tv antennas and a broken clotheshorse and a piece of wood. Calculator 3element yagi maple leaf communications. To assist software writers i have created a dll that will work with delphi and c compilers under windows and linux to do all the moon calculations for amateurs.
I do realize that this is not an optimum design, but it did help me to put out a very good signal on 2 meters. This is the four line lcd version, currently using internal calculations to track the moon. This is quite a flexible approach and gives you the ability to make something without being too prescriptive in the early design. There is room for flexibility in the construction techniques you can use. The main category is folded dipole antennas that is about links about folded dipole antenna projects, theory of folded dipole antennas this link is listed in our web site directory since sunday may 6 2007, and till today k7mem folded dipole design has been followed for. K7mem s calculator also specifies a minimum recommended length. 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. With the measurements, i first started by cutting all. Diameter of parasitic elements mm diameter of boom mm is the boom isolated from parasitics. View antenna display, showing the wires making up the model of the fiveelement beam, with currents and 2d slice superimposed to show orientation. Your local welding supply store should have all the aluminum welding rods you need. Yagi calculator is a program build to produces dimensions for a dl6wu style long yagi antenna. Software solutions on arrays and yagi antennas software, elnec antenna modeling and analysis by w7el. Yagi design software software free download yagi design.
The list will grow with your help so let s start and share the knowledge. A yagiuda yagi antenna is a directional antenna which is made up of. As described in w6pql s article, i used vk5dj s yagi calculator software to design the yagi. Simply enter the freqency in megahertz and the script will do the rest. Yagi calculator is a windows program that also runs well on linux, ubuntu 8. To be combined with a yagi uda antenna or used as is. Vk5dj s yagi calculator yagi design frequency journal vk5dj s yagi calculator yagi design frequency 787. This arrangement gives the antenna directionality that a single dipole lacks.
Online dl6wu yagi designer by k7mem runs in your web browser. Erp calculator plus erp calculator is an amateur radio software utility. I could have followed the simple yagi instructions from before, but this time, i instead opted to use k7mem s yagi calculator to design one. The dl6wu yagi is highly regarded as being easy to build with repeatable results, broad bandwidth and a useful pattern. 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. First design an antenna of 7 elements, but then i wanted to improve the front to back ratio. Google will show you all the histor so need to reinvent the wheel.
W4rnl s articles on owa optimized wideband antenna yagis. This page covers 3 element yagi antenna calculator. Here s a couple of yagimax screenshot taken from my computer running linux, ubuntu gutsy. Some are based on lookup tables, some completely hide their algorithms. Some other useful sites with information on yagi design include, w4rnl antenna articles, gm3sek vhfuhf long yagi workshop and k7mem vhfuhf yagi antenna design design software written in javascript. Vhfuhf long yagi workshop if you want a topperformance vhfuhf long yagi. Civil engineering pavement design calculation software civil engineering pavement design calculation software covers calculations for traffic, road geometry, surveying, earthwork, asphalt pavement, concrete pavement, concrete floors on grade and unit conversions. Uhf eggbeater antenna ham radio 2m70cm vertical dipole antenna youtube a simple ham radio 2 meter and 70 cm antenna for fixed or portable use. About k7mem folded dipole design the resource is currently listed in in a single category. Long yagis are commonly used from the 144mhz amateur band to the 2.
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