Ive used it to verify some antenna plans ive found on the net. The yagi uda antenna is the most recognized antenna. This particular design appealed to me because although having seven elements, was shorter than other designs i had seen. Download and unzip the program into a folder of your choice if using windows xp. As is standard windows practice, doubleclick on the filename to open it, or singleclick on it and select open. Quick yagi via wa7rais home page yagi autodesign, autooptimize, modeling software.
As you will notice on the quick yagi output the boom had to be over 1. Although this program is free of charge, please make a donation to help maintain this website so he can continue to keep it available to. And started cutting some copperbronze welding rod to lengths. About dl6wu stacking yagi calculator the resource is currently listed in in 3 categories. Download scientific diagram spacing effect on a twoelement yagi antenna. Ideal for point to point, short or long link applications. The undefined acronym abbreviationslang yw means yagi for windows. Ham radio station g0vfs 2 meter 7 element yagi for the qth. The 369 wire yagi an alternative yagi tuning scheme. This socalled trap has the effect of truncating the element at the higher frequency band. I also mention yagi analysis by sm2iev, because in its time it made an impact on the vhf uhf yagi developer scene.
These yagis are unequalled in terms of matching and broadband performance, both on transmit and receive and the, db gain, and the radiation pattern. Uhf eggbeater antenna ham radio 2m70cm vertical dipole antenna youtube a simple ham radio 2 meter and. Jim boyden, ab0ge, employed it in the three element 369 40 meter wire yagi he developed. K6sti produced yo yagi optimizer and ao antenna optimizer, mininec based programs.
Download scientific diagram monopole version of the yagi antenna. Despite being written for ms dos, it is surprisingly user friendly, highly accurate, and is loaded with features. The dl6wu yagi is highly regarded as being easy to build with repeatable results. Oct 12, 2009 wa7rai wrote this yagi modeling program in 1990. Vk5djs yagi calculator yagi design frequency journal vk5djs yagi calculator yagi design frequency 787. Quick yagi via wa7rai s home page yagi autodesign, autooptimize, modeling software all about morse code whether youre a died in the wool cw fan, or a beginner who wants to learn about the morse code, have a look at some of the following morse and cw related links. Basic yagi antenna design for the experimenter antenna. This 6 meter 6 element ssb yagi was designed and optimized for best feed match using. Yagi antenna design program by wa7rai called quick yagi qy4.
The older quick yagi program was used in its design. Amateur radio software download indias leading amateur radio news letter. March 20, 2015 no comments downloads ham radio deluxe software. Quickyagi yagi modelling software by wa7rai wa7rai wrote this yagi modeling program in 1990. The 369 wire yagi an alternative yagi tuning scheme there have been numerous articles discussing schemes for tuning and feeding yagi antennas. Apr 14, 2010 on the other hand, i have constructed the so called cheap yagi of wa5vjb before, and its feed is very, very simple. Long yagis are commonly used from the 144mhz amateur band to the 2. Tv antennas are still a major application of the yagi antenna. Ham radio boxes and antennas alexandria radio club. To be used with either nec4 or yagi optimizer modeling programs. The basic yagiuda array antenna consists of a parallel set of linear dipole radiators. Oct 08, 2014 download yagi lightweight program that provides users with a simple means of calculating various parameters pertaining to your yagi uda antenna. Jan 06, 20 yagi optimizer is an old dos program made more than 20 years ago bya k6sti made to analyze and design antennas.
Full text of 73 magazine october 1991 internet archive. Antenna design freeware 1d and 2d arrays from mei software. Doug vk3um was a friend from our days at unley high school during the mid 1950s, a common interest was that of radio and electronics leading to our introduction to ham radio through the 288mhz band now no longer part of australian allocations. Without knowing more about the signal field at your location, i cant comment on why some come in and others dont. Other explanation, the quads takeoff angle is different than of the one of the yagis and so picks up anything from another angle. Yagi antenna design program by wa7rai called quick yagi qy4 it was designed and optimized using 144.
The dl6wu yagi is highly regarded as being easy to build with repeatable results, broad bandwidth and a useful pattern. The main category is antennas for vhf uhf bands that is about antennas for vhf and uhf radio bands. A quick scan of boston ma at shows youre all uhf for your locals so these are the right kinds of antenna. By wa7rai introduction to the qy4 yagi design program. Quick yagi via wa7rai s home page yagi autodesign, autooptimize, modeling software. I cant seem to find a simple dual band yagi made of cheap, easily sourced materials.
Free download and information on yagi yagi can help you to design multi element yagi antennas. Its long, slim shape is awesome for mounting on a tripod and perfect for taking along on longer hikes. Its very suitable to vhf antenna modelling and even if it is very old it is still very popular. 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. Though it is not as accurate with antenna temperature and gt as the tant program. It radiates in only one direction and is most commonly used in pointtopoint communications. Sstv software wa7rai called quick yagi qy4 it was designed and optimized using 144. It produces maximum gain but requires tweaking for the number of elements. Very complicated yagi designs were developed to give adequate gain over the broad television bands. Apr 08, 2017 get the qy4 yagi design program for download. The origin of this so called white noise is unclear but amateurs think that it could be related to manmade interferences emitted by a nearby town. This activity is also called radio direction finding.
Long yagi are commonly used from the 144mhz amateur band to the 2. For the home constructor, the design by dl6wu is a premium choice. Dec 29, 2015 an application designed to generate data for the construction of long yagi antennas for vhf and uhf use. Nowadays, in the 64bit era, with the advent of windows 7 and higher, running a old. Time is ripe for a renaissance of electronics clubs. Lil kesh for you after much anticipation, fast rising rapper lil kesh has confirmed that his debut album y. Yagi antenna design program by wa7rai called quick yagi qy4 this 6 meter 6 element ssb yagi was designed and optimized for best feed match using 50. There is one scheme that i have yet to see mentioned. Yagi antenna design program by wa7rai called quick yagi qy4 this antenna progam is. Yagi calculator is a windows program that also runs well on linux, ubuntu 8.
Quick yagi via wa7rai s home page yagi autodesign, autooptimize. Although it was intended that an old tv beam be used to build this antenna, i had already bought some aluminium with the building of a 2 meter yagi in mind, though not yet having decided on any design. A yagiuda antenna, commonly known as a yagi antenna, is a directional antenna consisting. So i was very surprised in june 2003 to come across, while looking for something else on the web, a file called yagicad, which sure enough was my program, but strangely it was version 4. Design yagi antennas with this computer program by wa7rai. Ham radio india software collection large collection of antenna software. The rapid evolution in the wireless communication systems requires more. Yagi antenna design program by wa7rai called quick build a. It is shown that a threeelement yagi can achieve a realized gain of more than 6.
I used mine to pin down the problem ofan electric garage doorthat mysteriously flewopen at 5. 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. 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. The rfi range of high gain yagi antennas feature standard aluminium, ruggedised aluminium or stainless steel construction. A quick way to obtain a designed antenna was to use the qy4. On august 20, 2000 i made my very first satellite radio contacts through ao10 using only my cross yagi as shown in the photo at the bottom of this page the 16 ele horizontal yagi was not used. The main category is ham radio directional yagi antennas that is about yagi antennas for ham radio use, manufacturers, plans and design. These are called the characteristic modes, which provide deep physical. Although this program is free of charge, please make a donation to help maintain this website so he can continue to keep it available to the ham radio community. So i was very surprised in june 2003 to come across, while looking for something else on the web, a file called yagicad, which sure enough was my program, but. Fig 2the common dialog window for selecting a yagi file. Software, elnec antenna modeling and analysis by w7el.
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