Model 477 yb features a higher 9db gain and a rugged powder coated finish to provide outstanding corrosion resistance and longevity in the harshest environments. For exemple in fm broadcasting band choice 100 mhz its easy for calculate. The dl6wu yagi is highly regarded as being easy to build with repeatable results, broad bandwidth and a useful pattern. Digital antenna yagi 700 mhz 4g lte cellular antenna 477 yb digital antenna now manufactures premium quality yagi antennas for the new 700 mhz cellular bands. If you cant mount it on the roof of your school then you will have to decide whether you have room to mount the yagi in your classroom. Yagi antenna design paperback january 1, 1976 by peter p. Kitchen design software is technical kitchen design software capable to draw different room layouts, floor designs for modern kitchen in less time. The latest version of yagi designer can be downloaded for pcs running windows xpvista7810, 32. Steve powlishen, k1fo click here to report a problem with this file. Yagio runs under windows 2000, xp, vista, win 7 and likely win 8.
This software can not only be used to design but also to find out antenna gain, stacking distance, and standing wave ratio swr. Like i think that k1fos an optimum design for 432 mhz yagis, qst 8788. This article is not designed to give you construction details for building a yagi. You can get assembly tips from the anntenna book text under the yagi section. They can be made using various materials and in varous sizes. Viezbicke, yagi antenna design, nbs technical note 688, u. 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.
A channel is broadcast on a frequency, just like a radio station. What would be the best directional antenna design for this. A good design tool for this is the yagi calculator written by vk5dj. With our zcg planet file software installed, you will be able to open, view and print the antenna radiation patterns generated on our test range by our technical.
High band yagi antenna a highgain yagi antenna is designed to offer uniform gain across the uhf and vhf spectrums. This method of construction can be used on most uhf through low microwave yagis, and is especially useful for the 33, 23 and cm bands. A design for larger antennas, such as a 6 element yagi style antenna, are also provided but not recommended simply because of the additional time involved in construction. 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. Some are based on lookup tables, some completely hide their algorithms. Using this program i have designed a 6 element 2 meter beam that is 7. Kitchen design software ideally switched to any of the kitchen room plans in diverse layouts such as. I read off the dimensions from the yagi for windows file over the phone. Using this software, you can design and build your own yagi antenna. My first controlled impedance yagi was made for 915 mhz spreadspectrum systems and used 75ohm coax. 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. Heres a couple of yagimax screenshot taken from my computer running linux, ubuntu gutsy.
Yagicad is a fully integrated analysis and design package primarily intended for vhf yagi aerials. This link is listed in our web site directory since tuesday oct 5 2004, and till today 9 element yagi for 2 meters band has been followed for a total of 51576 times. Model 477 yb features a higher 9db gain and a rugged powder coated finish to provide outstanding corrosion resistance and. Computer design of very high gain yagi antennas sm 5 bsz, leif asbrink. Building a yagi antenna for uhf jtech engineering, ltd. Product zenith vant outdoor antenna yagi p43 vn1anry65. The processor should be at least a pentium 90 mhz, with at least vga 640. Transmission line for windows and hfta, hf terrain assessment are a pc running windows 95 or later, including windows 98, 98se, xp and windows 2000.
I imagine a yagi could be used to pick up a couple of stations, but not all of them. Applications include 4g lte, smh bands, point to multipoint and public safety. Jul 07, 2008 the specs of the beam are 144 mhz, 146 mhz and 148 mhz. A real yagi antenna for uhf cb february 2005 silicon chip. We want enough forward gain to hit the local repeater. This is output from a program i wrote based on some data gleaned from the internet. We want enough beam width so aiming is not critical. Yagi calculator is a windows program that also runs well on linux, ubuntu 8. 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.
Building an 868915 mhz colinear antenna for lora ttn. Ideal in single frequency or two antenna system applications. Long yagis are commonly used from the 144mhz amateur band to the 2. Yagi antenna design and how to understand basic yagi s condensed and reedited from various sources.
These adjustments can be easily and quickly made using antenna design software. Design of a yagi uda antenna with gain and bandwidth enhancement for wifi and wimax applications vinay bankey 1 and n. Youd think so, given that the uk uhf band goes from 470 to 850 mhz. He cound make use of computer software developed at ohio state university. Education software downloads yagi designer by goforth laboratories and many more programs are available for instant and free download. I thought about some kind of cantenna design because it will need to be small in size but i havent a clue where to start with the design. Download yagi lightweight program that provides users with a simple means of calculating various parameters pertaining to your yagi uda antenna. I like to use the basic dl6wu wideband yagi designs whenever possible. Yagi calculator is a free antenna design and analysis software for windows. Igor zeldin, ur5lcv, and design of the antennas were wrote in the book. Starting right around 29 mhz, the swr rockets up to literally 80. At the same time, the gain drops from a little over 16 dbi down to 9 dbi at around 29. 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.
Though it is not as accurate with antenna temperature and gt as the tant program. Check state laws regarding any visibility issues about mounting on windows. Yagio allows you to create dl6wu long yagi antennas on any frequency, typically on vhf and uhf ham frequencies. K8az 20 10m yagi design 8 august 12, 20 figure 7 wider frequency range triple now, the sweep coverage is 27. Yagi uda antenna design procedure boom reflector directors driven element s ij i j n d d 1 2 3 l i figure 1 yagi uda antenna layout notes. In understanding the basic yagi antenna theory, the different elements of the yagi antenna react in a complex and interrelated way. Yagio is similar to lpcad, it uses keyboard commands instead of a mouse menu. The resource is currently listed in in 2 categories. Department of commercenational bureau of standards, december 1976. For what its worth, those numbers above match pretty closely to a professionallybuilt 823 898 mhz yagi i have on my roof. Free radio frequency software, antenna design and calculators. Actually, its official name is the controlled imped ance yagi because of its wide bandwidth. The col477 series are collinear antennas designed specifically to provide maximum range. Figure 2b shows the radiation pattern for a 24 element 1296 mhz design.
Sm 5 bsz computer design of very high gain yagi antennas. If an antenna is perfectly tuned to one channel in the tv band, it is not tuned to any. In this tutorial i will discuss a little bit of theory behind the yagi and then go into the design and construction. The yb1671 feed element of each antenna is of full folded dipole construction thus offering maximum bandwidth and reliability. 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. Yagi antenna the basics the yagi antenna design has a dipole as the main radiating or driven element to which power is applied directly from a feeder. Yagi design software, free yagi design software software downloads, page 3. Anvesh kumar 2 1department of ece, vnit, nagpur, india as a lab engineer 2department of ece, vnit, nagpur, india as a research scholar abstract there are various patch antennas used for wifi and wimax applications. With yagicad it is possible to enter a base design from scratch or use one of a number of saved well known designs. Yagi antennas for ham radio use, manufacturers, plans and design category is a curation of 107 web resources on, tape measure antenna, projects and info center, two portable antennas for 6meter. It is apparent that yagi did not aim to steal the publicity at all and as a result the design now bears the names of both men and is formally known as the yagi uda antenna. The above plots are just an example to give an idea of what the radiation pattern of the yagi uda antenna resembles.
Antenna designing software instructions to build a beam for 40 m band, uhfshf antenna design, antenna design article collection, yagi design for 50 mhz and up, yagi design program for 144 mhz and up, antenna maker v6. The specs of the beam are 144 mhz, 146 mhz and 148 mhz. G0ksc simple to build, high performance yagi and quad. The design can be adapted to any 20mhz bandwidth in the 390 520mhz frequency band. Utilizing the same 10 ft boom, i was able to design an antenna that has good swr 1. See the article on the electromagnetic spectrum in the library part of this website for more information on radio waves. Our latest innovation is the laser clear transparent antenna which when installed offers excellent communications capability whilst. Yagi design software software free download yagi design. Our builtin antivirus checked this download and rated it as 100% safe. This antenna uses the g0ksc opdes design on both 40m and 20m to provide fullband coverage on each.
All it takes is some plastic conduit and a couple of wire coat hangers to build this really effective antenna. Digital antenna now manufactures premium quality yagi antennas for the new 700 mhz cellular bands. Download yagi designer software for windows for free. 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. Personally i use a portable 4 element beam with 19dbi forward gain 8. For your information, dosbox is also available for windows operating system too. This design can then be optimised or scaled to suit particular requirements. Fig 2the common dialog window for selecting a yagi file. The design criteria you have posted is very similar to what i have developed using yw. The yb661 feed element of each antenna is of full folded dipole construction thus offering maximum. Y10uflte classic design yagi antenna with new unique 4glte signal rejection modification. Free online engineering calculator to find the dimensions of a yagi uda antenna for a given frequency range and length.
For the highest gain or discriminating against an interfering signal 20deg40 deg azimuth off the desired signal, we use a yagi antenna. The formula and basics of yagi antenna calculator are also explained with example. Design and fabrication of crossed yagi antennae for dual. Computer programs that automatically optimises antennas are also available and frequently used by amateurs.
This page covers 3 element yagi antenna calculator. The main category is antennas for 2 meters band that is about antenna projects for 144 mhz. Diy 7mhz antenna not pretty, but it gets noaa sat and. A tape measure yagi will get you close, probably around the 10dbi mark or so. May 24, 2017 theres a common design called a triband yagi or just tribander, which is a threeelement yagi with coils on each element to make it resonate around 14 mhz 20 m, 21 mhz 15 m, and. Yagi antenna design basics learn more about a yagi beam. Milestones in designing yagi uda antennas as seen by dg7ybn. These antennas were made with this process, and tested on this backyard antenna range. Jun 03, 2017 a loop fed array yagi antenna for 50 mhz featuring 11 dbi gain and 23 fb ratio. As is standard windows practice, doubleclick on the filename to open it, or singleclick on it and select open.
Tv antenna makers choose the traditional yagi design for these highgain antennas because this design has stood the test of time. Model 477 yb features a higher 9db gain and a rugged powder coated finish to provide outstanding corrosion resistance and longevity in the harshest. To design the antenna, you need to go to task design yagi menu. For quite some time modelling of antennas in the computer has been a standard procedure, available to a large number of radio amateurs. Online calculator yagi uda antenna based on nbs tn 688. I also mention yagi analysis by sm2iev, because in its time it made an impact on the vhf uhf yagi developer scene. A coaxial cable trap is a parallel resonant circuit that is usually inserted in an antenna element to enable multiband operation. 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. Jan 23, 2008 for your information, dosbox is also available for windows operating system too. Design by yagi is a silver jewelry wholesaler located in the diamond district of new york city.
To determine the wavelength of a radio station with a frequency of 92. Hf dipole antenna this antenna software will help you design a simple wire dipole antennas for 1 30 mhz. For know the length of the elements, choice your frequency of work. The latest installation package that can be downloaded is 3. Most people looking for yagi designer software for windows downloaded. So by request i am finally writing a diy yagi antenna tutorial. The dl6wu yagi is highly regarded as being easy to build with repeatable results. The calculators for other antenna types such as parabolic,horn,dipole and patch are also mentioned. This page describes the design and construction materials i used to build a coaxial cable trap. Apr 23, 2010 it should be very insensitive behind the antenna. It is quite possible, that other calculators deliver slightly different results. 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.