2 element beam antenna calculator software

Design and build your own lfa 3element yagi amateur ham. Jul 11, 2019 the shack end of the vk5dj beam controller system. Does anyone know what the spacing between elements on a beam antenna should be. Its hot weather in texas in july and larry parker, n5wvx, shows us a novel way to make these cool elements for a 2 meter yagi and also his method of building a gamma match. The middle element is an antenna you are already familiar with, the simple 12 wave dipole antenna. The following is an example of a 3 element yagi used in the 2 meter band. Horizontal or vertical polarization of an cubical quadantenna is determined by placement of the feed point feed gap on the driven element parasitic elements need to be mounted in the. Loop fed yagi 4 element 6 meter hygain loop fed array duration. This link is listed in our web site directory since thursday oct 30 2014, and till today 2 element yagi wire beam has been followed for a total of 1500 times. Now its time to step it up just a little bit and fabricate a bigger antenna. Well for one thing you have twice the amount of element material in the air. This calculator is for short boom simple multi element monoband yagi antennas, and will not give you a perfect 50 ohm match. The antenna was then taken to a hilltop near rainier, oregon cn86 where it was.

This page covers 3 element yagi antenna calculator. This antenna is tuned for the 2 meter ham band 142148 mhz. Free radio frequency software, antenna design and calculators. Here we have collected some links to building instructions for 11m antennas on the internet. Some manufacturers might claim they have a special feed system or have some other fancy way of putting things. Each half antenna element left and right consists of three pieces. Nowsince optimum element spacing is different for a 2 element yagi with a director as opposed to 2 elements using a reflector, the vswr curves of the two are not the same and most probably not the gain either, and i had to fiddle with the element lengths a bit once the antenna was up on the roof where i could still reach it to get a.

Free online engineering calculator to find the dimensions of a yagi uda antenna for a given frequency range and length. Dec 29, 2015 yagi calculator is a program build to produces dimensions for a dl6wu style long yagi antenna. The antenna was then taken to a hilltop near rainier, oregon cn86 where it was deployed on a 12 foot mast for the 6 meter sprint contest. The moxon antenna, designed by les moxon g6xn sk, is a compact two element beam antenna with about 5. The construction is similar to many commercial yagi antennas on the market, easy to assembly. Coil designer mk 2 this page lets you do calculations for single layer air. Yagi antenna design data showing the relationship between element. John warren amateur ham communications homestead survival camping survival survival prepping emergency preparedness survival skills urban survival survival stuff outdoor survival survival gear. 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 software antenna design software, 2 element beam, quarter wave vertical with radials, feedline loss, beam width, erp taking into. The main category is 20 meter yagi antenna plans that is about plans for a. As this antenna was new to me, i got a few of these stations to rotate their beams so i could see the fronttoback ratio. If you decide you really need a yagi with more elements, here are the lengths of them. Maple leaf communications antenna calculator 3element. Maple leaf communications antenna calculator 3element yagi. The two elements yagiuda is the smallest one among the yagiuda familly. This is the part of the antenna to which all the other elements are fastened. It describes a 4 element moxon antenna for 6m, 4m and 2m. Each half antennaelement left and right consists of three pieces. This is the four line lcd version, currently using internal calculations to track the moon.

Some very old vhfuhf yagi designs which were popular decades before any computer modeling software was ever developed or proven indicate driven elementtoreflector spacing 0. The patented folded dipole feed offers superior bandwidth and low vswr in its range. Its hot weather in texas in july and larry parker, n5wvx, shows us a novel way to make these cool elements for a 2 meter yagi and. The n5wvx 2 meter 7 element yagi with a twist cool elements based on the 2 meter beam project by larry morgan, ag5z. We can also provide you with custom settings to suit your operating preference such as. The main category is 20 meter yagi antenna plans that is about plans for a 20 meter yagi antenna. The dl6wu yagi is highly regarded as being easy to build with repeatable results. This program will give you the results so you do not have to do them yourself.

These calculators usually assume youve already built this kind of antenna in. Building and experimenting with antennas can be an interesting part of the radio hobby. This antenna functions in a manner that would normally be consistent with a three element yagi, due to its unique 57 1. For 4 element yagis and higher the distance between directors 2 5 will.

This antenna consists of 2 moxon style rectangles mounted on a boom similar to a yagi antenna. When placing a parasitic element very close to a driven element, approximately. This antenna was built in about an hour after using k6stis ao simulation software to design it. A good way to adjust a yagi antenna, is by facing the antenna straight up, so the reflector is parallel to the ground or in this case at an angle. For advanced design look at the picture on the page for eznec software to.

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. Bug fixes to fix occaisional crashes due to even numbers of segments. When you improve your system you will notice a big difference between a 2 or 3 elements yagi. This element is generically called the driven element. Due to material, i decided on a 5 element yagi built for vhf since all i would have to buy is more 38. 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. Hb9cv antenna calculator for ios free download and software. Yagi calculator is a windows program that also runs well on linux, ubuntu 8. It helps in transportation and makes tuning the antenna a snap. A simple, compact and effective antenna for 50 mhz.

It is astonishing that this antenna is not well known in many countries. It is quite possible, that other calculators deliver slightly different results. Long yagi are commonly used from the 144mhz amateur band to the 2. The fiberglass tubes are joint together by a short stainlesssteel tube also used as an anchorage point for the vertical trusses furnished with the antenna of. The back rectangle was the reflector and the driven element. Antenna calculator calculate your dipole, 3 element yagi etc find the length of a dipole. The dl6wu yagi is highly regarded as being easy to build with. The radiation pattern plays a major role in the performance of the yagi. Listed under the software antenna analysis category that is about antenna analysis software. About 2 element yagi wire beam the resource is currently listed in in a single category. At the back of the antenna,is a length of pvc pipe placed there to keep the antenna from spinning. Some are based on lookup tables, some completely hide their algorithms. Spacing between elements on a yagi antenna amateur radio.

The dl6wu yagi is highly regarded as being easy to build with repeatable results, broad bandwidth and a useful pattern. Radios police radio ham radio antenna electronic schematics good communication ham. A 2 element beam antenna for 10 meters band living in a condo has many advantages, none of which is being able to mount a tribander on a 60foot tower. Rw antennastore model rw1465 5 element commercial quality yagi beam antenna. Quad antenna javascript calculator for cb and amateur. And still capable of being rotated by a small rotator tvrotator, like channel master etc. John warren amateur ham communications homestead survival camping survival survival prepping. The hb9cv beam is a 2 element yagi with two driven elements and was introduced by rudolf baumgartner, hb9cv, in the 1950ies.

Computer services systems and software computer systems engineering informa. As with all directional beam antennas, performance characteristics of a yagi antenna are fronttoback ratio fb, a. This calculator is designed to give the critical information of a particular beam antenna, in this case a seven element yagi, for the frequency chosen. Yagi calculator is a program build to produces dimensions for a dl6wu style long yagi antenna. For advanced design look at the picture on the page for eznec software to get an idea of. There are lots of yagi design programs on the web, but most of them do not.

So i make do with a long, thin random wire that works nicely as long as the new england wind, snow and ice dont conspire to give my hamming a holiday which happens more often than id like. If you dont have a lot of experience using antenna modeling software, youre. It yields, if modeled using the same software, more than db gain, and this has also proven true with field trials performed on the same range using the same equipment detailed above. 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. Rw1465 5 element commercial grade yagibeam antenna for. Yagi uda antenna calculator you may want to combine it with a folded dipole. The calculators for other antenna types such as parabolic,horn,dipole and patch are also mentioned. The basic yagi consists of three elements, as shown in figure 1. Use our simple calculator to determine approximate dimensions of materials needed to build a 3 element 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. Corrected problem with reference yagi gain, now shows in same units as main gain.

Wc7i provides a calculator for a 3 element yagi design. The fiberglass tubes are joint together by a short stainlesssteel tube also used. Hb9cv antenna calculator for ios free download and. I built a 146 mhz 3 element beam following instructions, and the spacing was 16 between the driven element and the reflector and 20 between the driven element and the director. Long yagis are commonly used from the 144mhz amateur. The jk402 is a short boom 2 element 40m yagi that has excellent gain and fr.

Enter the desired frequency then click on calculate and the optimum values for that combination will be displayed in feet, inches and fractions of. Yagi antenna calculator, yagi antenna dimensions, learn to build a yagi. Beta version of multi band optimization in owa genetic tool, please report any problems. An hexagonal beam in 3 hours over the last few years, i have heard guys using hexbeam antennas. Small beam antenna maco yquad dual polarity quality that lasts. The directional gain, fronttoback ratio, beamwidth, and unwanted. This is where you input the center frequency in megahertz. A one element 12 wave dipole is the same as the driven element of a yagi antenna. Six element 2 meter yagi beam antenna sykes amature radio radios police radio ham radio antenna electronic schematics good communication ham bone hams shtf circuit. An hexagonal beam in 3 hours antenna, ve3sqb ham radio. Updated dons 2 meter extreme dream beam antenna duration. Yagi calculator is a program to assist with the design of long yagi antennas.

This post highlights some of the technical and intellectual property points concerning the loop fed array lfa high performance yagiuda antenna designs created by justin johnson g0ksc1 and his computer. Calculate safety distance from your antenna icnirp is a calculator software. The length of a reflector for a twoelement yagi with 0. The hb9cvbeam is a 2elementyagi with two driven elements and was introduced by rudolf baumgartner, hb9cv, in the 1950ies.