The article was titled extremely long yagi antennas. Aided by personal computers and antenna modeling software. It is quite possible, that other calculators deliver slightly different results. Notches at opposite ends of each dowel must be at the same angle to fit into the dowels they will cross. Vhfuhf long yagi workshop if you want a topperformance vhfuhf long yagi, why not build it yourself. This design can then be optimised or scaled to suit particular requirements. You may want to check out more software, such as designers gallery studio iii, kitchen design software or slideshow designer, which might be similar to yagi designer. Some are based on lookup tables, some completely hide their algorithms. This link is listed in our web site directory since sunday jan 3 2010, and till today yagimax 311 has been followed for a total of 4012 times. Mark each 17 dowel halfway along its length at 8 1. The list will grow with your help so lets start and share the knowledge. Also worth a look is software from inflatable kite design. For the best kites retail in the usa buy your kites at windward kites.
This combination of software provides excellent accuracy. I also mention yagi analysis by sm2iev, because in its time it made an impact on the vhf uhf yagi developer scene. I ran across brian cakes new book, the arrl antenna designers notebook. The box is made rigid with diagonal crossed struts. Aided by personal computers and antenna modeling software, todays reliable antenna solutions move from the drawing board to construction with greater ease. 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. Every element of a cubical quad antenna is a full wavelength long. A multiband yagi antenna yf1ar yankee foxtrot one alpha. American kitefliers association president barbara meyer teaches kite building using this twist on the box kite it skips the sewing and sails on a skin of. Kf2yns boxkite yagi design is one that truely pushes. Mar 29, 2019 how to use a kite antenna in amateur radio. Navigation is also easy and the menu bar features exactly the options needed for the tasks required to develop yagi antennas.
Viezbicke timeandfrequencydivision instituteforbasicstandards nationalbureauofstandards boulder,colorado80302 tt0for v u. Rigid kite structures such as box kites used to be popular but newer designs. Pdf diy plans box kite plans download box kite plans online deacon bench project 15 wood planer plans to make a box kite free pergola design software diy castle playhouse plans wood working kits patterns for painting adirondack chairs woodcraft woodworking plan how to make a baby cradle mattress box kite plans instructions video building. Hengda kite pack 3 colors beautiful large easy flyer kite for kids software octopusits big. Long yagis are commonly used from the 144mhz amateur band to the 2. Ham radio antennas, home made ham radio antenna projects kits and drawings category is a curation of 4856 web resources on. It is a challenge to try and develop templates for 3d shapes in particular. The website allows you the flexibility to specify the desired frequency and then select the required gain or boom length. The main category is antenna analysis software that is about software,antenna analysis software, for ham radio operators and hams. Thankfully the design can be created in both metric and imperial measurements, you just specify the sizes in the design.
Use your pocketknife to carve a notch in each end of the 17 dowels. Box kite plans complete instructions for the mbk box kites. The dl6wu yagi is highly regarded as being easy to build with repeatable results. Take a look at ve7bqhs 144mhz yagi chart qrz forums.
For good efficacy and directivity for reception on radio spectrum, we need a good yagi uda antenna. Design and fabrication of crossed yagi antennae for dual. This antenna was invented in the early 20 th century by two japanese engineers named uda and yagi. As most of us know, the monoband yagi is by far the best antenna choice. There are two sails, or ribbons, whose width is about a quarter of the length of the box. The main category is antennas for vhf uhf bands that is about antennas for vhf and uhf radio bands. The use of a kite to support an antenna makes for great days operating and a.
Yagi antenna design basics learn more about a yagi beam. This is done by utilizing more 3d space and some tricky geometry. Back to designing and building a gsm antenna monopole design yagi design. Lightweight materials will help it soar, even in a mild breeze. Yagi antenna design and how to understand basic yagi s condensed and reedited from various sources. Yagi design software software free download yagi design. The basic yagi antenna design consists of a dipole and elements. Kitchen design software ideally switched to any of the kitchen room plans in diverse layouts such as. A box kite is a high performance kite, noted for developing relatively high lift. The dl6wu yagi is highly regarded as being easy to build with repeatable results, broad bandwidth and a useful pattern. It was written by a physicist that has always enjoyed dabbling in radio. The programs used to calculate eh stacking,g,ta,tlos and gt are.
The ribbons wrap around the ends of the box, leaving the ends and middle of the. Delta kites are easily made at home with tissue paper and wooden dowels. The most frequent installer filename for the software is. The newer semi rigid kites have another advantage if the string breaks they lose lift and fall quickly. For quite some time modelling of antennas in the computer has been a standard procedure, available to a large number of radio amateurs. These box kite plans are aimed at the more experienced kite maker. 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. It is frequently referred to as a beam because a rotor is used to direct the antenna toward the needed signaling area. A yagiuda yagi antenna is a directional antenna which is made up of of a dipole element with a reflector and one or more director elements. You can choose from several types of kites and change the shape, size, and materials to produce your own design.
This article is not designed to give you construction details for building a yagi. Follow these simple steps to make a small, easytofly delta kite. This is an unusual box kite design, but it saves weight. Kf2yn boxkite 4, 0,44,24, 1,20, 0,85, 19,30, 4,93, 183,91, 3,35, 26,1, 21,5.
There is room for flexibility in the construction techniques you can use. The lotus box is a spectacularlooking kite with many triangular cells arranged in a circle, with extra sails on the outer rim. Yagi calculator is a program to assist with the design of long yagi antennas. The gibson girl emergency radio came with a box kite to raise the long wire. For a vertical hung from the kite line you will get best stability if the antenna is well. A good yagi design is as easy to build as a poor one.
Yagi antenna design analysis program yagi design program online using java yagistress the ultimate mechanical design software for antenna designers. The arrl antenna designers notebook by brian cake, kf2yn, is certain to open a window into the mind of the antenna designer as the design is imagined, perfected and finally constructed. Yagicad is a fully integrated analysis and design package primarily intended for vhf yagi aerials. Poke a hole for the bridle attachment, then add a short strip of clear sticky. The most interesting part of the software is, it can help you to improve your design by projecting the antenna radiation pattern and estimating the radiation resistance. It uses the graphs and principles developed by dl6wu and printed originally in the german radio magazine vhf communications march 1982. Ask an adult to help with tools you havent used before. I have these plans on a separate page for easy printing box kite plans. A brief skim of it showed that it actually covered a couple of interesting antenna types which i had never heard of. The calculators for other antenna types such as parabolic,horn,dipole and patch are also mentioned. To be used with either nec4 or yagi optimizer modeling programs. Mbk designs hoosier state group a diminished medium and bombastic size.
The latest version of yagi designer can be downloaded for pcs running windows xpvista7810, 32bit. Download yagi designer software for windows for free. It is designed to give you a better basic understanding of how the yagi is. Readers will find much besides including long yagi antennas, box kite yagis, vertical antennas, c pole antennas, twinc antennas, big loops, ground plane antennas and much more free bonus cd included in the book is a cd with eznec models for all the antennas in the book plus a bonus presentation on box kite yagi antennas. Plenty of visitors to this tutorial have used it to make their own box kite.
Based on the powerful enzec antenna modelling software this book seeks to. If a short boom high gain two band antenna is what you want you should really check out the boxkite yagi designs by brian cake kf2yn. This popular style of antenna was originally created by shintaro uda and hidetsugo yagi in 1926. About vhfuhf yagi antenna design the resource is currently listed in in 2 categories. Software and hardware for kite design my best kite. This free software was originally designed by goforth laboratories. Arrl announces kf2yns arrl antenna designers notebook. You can watch the video tutorial below or skip ahead and continue with the web based tutorial. While his design k1fo focused on using the delron button insulators and clips, in my ignorance i just used what ever correction factors i could lay my hands on to change it to 14 elements and no insulators and then in the ultimate insult through a folded dipole at it original design was for a t match. Using mb interior design astrology software you can know the exact type of astrological interior designing that helps you prosper in your personal as well as professional life.
Rigid kite structures such as box kites used to be popular but newer designs work much better. Only this procedure gives an objective view on the gain, since all gains were computed in. Hf dipole antenna this antenna software will help you design a simple wire dipole. Kitchen design software is technical kitchen design software capable to draw different room layouts, floor designs for modern kitchen in less time. Waldorf box kite invented in 1977 by prick waldron of free pergola design software worcestorshire england the waldof box kite is ampere spe. In fact, most of the altitude records for kite flying are held by large box kites. Yagio runs under windows 2000, xp, vista, win 7 and likely win 8. This unique interior design software finds the interior design principles applicable for you considering your astrology sun sign. How to build and fly a box kite boys life magazine. Before going into the design of an antenna we must know about the performance parameters or characteristics of antenna for communication applications. Though it is not as accurate with antenna temperature and gt as the tant program.
With so many spars, the manufacturer has made them out of graphite to keep the weight down. Premier kites, hq pro kites, new tech kites, prism kites and kite accessories, stunt. The resource is currently listed in in 2 categories. A more classic piece of kite design software is foilmaker, originating in the u.
The formula and basics of yagi antenna calculator are also explained with example. With yagicad it is possible to enter a base design from scratch or use one of a number of saved well known designs. Yagio is similar to lpcad, it uses keyboard commands instead of a mouse menu. Yw will get you very close to a final design one where you can simply. In my case, i had some lengths of 8mm and 10mm tube and a 25mm box for the boom. The yagi antennas overall basic design consists of a resonant fed dipole the fed dipole is the driven element and in the picture above and the second from the left side, with one or more. Yagio allows you to create dl6wu long yagi antennas on any frequency. First, design parameters were calculated and then optimization schemes were tailored to achieve the requisite performance from the crossed dipoles.
Stay here to learn how to design a 3 element yagi for whatever frequency or wavelength you want. Heres a couple of yagimax screenshot taken from my computer running linux, ubuntu gutsy. Since the antenna beam pattern is a function of what part of a. This page covers 3 element yagi antenna calculator. From the linked chart, many of the designs offer 2db more gain than any other monoband yagi of similar boom size. Delta kites are single winged, keeled kites that mimic the look of stunt kites but do not require dual control strings or special flying instructions. Sm 5 bsz computer design of very high gain yagi antennas. Apr 25, 2020 yagi calculator will help any radio enthusiast to design and build hisher own dl6wu yagis for vhfuhf, meeting the criteria developed from the work of guenter hoch. The gibson girl emergency radio came with a box kite to raise the long. Look closely, and you can spot the basic triangular box kite in there.
Yagi design by its performance level for nonterrestrial weak signal work such as eme. Free shipping offer, stunt kites, sport kites, easy flyer kites, traditional kites. It has since been converted into a dll with lightning fast speed compiled in the c language. I have occasionally considered the idea of writing a drafting program aimed at sticked singleliners. Mininec pro antenna analysis software antenna analysis program for windows and macintosh computers. Not the easiest antenna to build with 3 design elements. A 2d structure of a box, with artwork on or not, can be changed to 3d view in.
Viezbicke thisreportpresentsdata,usingmodelingtechniques,fortheoptimumdesign. Yagi calculator is a windows program that also runs well on linux, ubuntu 8. Apr, 2020 yagi calculator is a windows program that also runs well on linux, ubuntu 8. You can make this box kite with easytofind materials from your hardware or craft store. 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 144981 times. Box kites, and a few interesting variations my best kite. Yag files can be converted using the msdos based scale. With this software you can study the physics and math which describe the flight of a kite. Education software downloads yagi designer by goforth laboratories and many more programs are available for instant and free download. American kitefliers association president barbara meyer teaches kitebuilding using this twist on the box kiteit skips the sewing and sails on a skin of. Conynes kite of 1902, it had a diamond shape with a squaredoff top and bottom, keel, and large opening in the center to give it some of the stability of a box kite. For a more complex understanding, here is a report on the aerodynamics of a kite. Amateur radio ham radio operators and engineers, have been experimenting with radio and antennas since marconi.
Kf2yns boxkite yagi design is one that truely pushes some existing boundaries. Oct 25, 2010 if a short boom high gain two band antenna is what you want you should really check out the boxkite yagi designs by brian cake kf2yn. I am trying to find the best software with which to design and draw kites 2d and 3d. The best yagi uda antenna modelling software today i want to share with you a great yagi uda antenna modeling software for amateur radio operator and enthusiast. The values indicated are not those from the manufacturer, but those calculated with the design software used for this antenna. 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.