20 meter yagi calculator software

Ultrabeam yagi 2 elements 620 metres ham radio antennas. This short video shows the main steps to assemble an ultrabeam yagi 2 elements 6 20. 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. Using this software, you can design and build your own yagi antenna. About 3 elements yagi for 20 meters the resource is currently listed in in a single category.

The 369 wire yagi an alternative yagi tuning scheme. In b the takeoff angle is low, this one is produced by a very high placed yagi. Yagi calculator is a free antenna design and analysis software for windows. Yagi calculator is a windows program that also runs well on linux, ubuntu 8. This link is listed in our web site directory since saturday dec 28 2002, and till today 3 elements yagi for 20 meters has been followed for a total of 11649 times. 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. My 2 elements 15m and 20m monoband yagi i have 3 element monoband yagi for 10m and 20m. Antenna stacking distance calculatorasc welcome to the. The formula and basics of yagi antenna calculator are also explained with example.

A 20 meter moxon antenna moxons work great and they take up less space than full size two element yagis. I like the relay idea, good stable mount, no expense for a rotor and two directions with gain and rejection. I just used ready built swr at the atu unit and at my transceiver. This software can not only be used to design but also to find out antenna gain, stacking distance, and standing wave ratio swr to design the antenna, you need to go to task design yagi menu. The 369 wire yagi an alternative yagi tuning scheme there have been numerous articles discussing schemes for tuning and feeding yagi antennas. Stay here to learn how to design a 3 element yagi for whatever frequency or wavelength you want. Yagi calculator this is where you input the center frequency in megahertz. With yagicad it is possible to enter a base design from scratch or use one of a number of saved well known designs. Omega match on this new yagi for the 4x4 stacks has been adjusted using a ts50 and a bird 43 watt meter.

His 3element 20 meter design on a 20 foot boom is an excellent performing antenna. These antennas were made with this process, and tested on this backyard antenna range. Download yagi designer software for windows for free. The antennas installed, one at 95ft and the other at 37ft. Excellent swr on a built cross yagi antenna with low noise pickup. Education software downloads yagi designer by goforth laboratories and many more programs are available for instant and free download. If you want to put this thing outdoors, do not use brass, as it. Modeling software does not show transmission line losses, but parallel lines that are about 170 of a wavelength do not have much loss when composed of wires or. When i attempted to add 17 and 12 meters elements to the existing 20 1510 meter yagi i became exasperated. Some are based on lookup tables, some completely hide their algorithms. I fixed my antena just 20 feets from the ground on my tower and running 80watts. Lets see some antenna calculator and antenna design software that will help you design faster and better. Working with my antennamodeling program, it became clear that there was serious interaction between the elements. Top one on a 3in diameter boom, the bottom on a 4 in diameter boom.

A fiveelement quad antenna for 2 meters by jim reynante. Adding two more driven elements and reflectors brings many more variables into the equation. Yagio is similar to lpcad, it uses keyboard commands instead of a mouse menu. I have constructed a 20 meter wire beam on top of my garage. In this menu, you need to submit values of multiple. It is very simple and efficiency yagi antenna with wide pass band. I was able to obtain dxcc award from arrl using this beam and i would strongly recommended this beam for those interested in dx operation.

Long yagis are commonly used from the 144mhz amateur band to the 2. 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. However,for thedifferentyagiconfigurations reflectorlengthwas optimized to yieldmaximumgain. Yagi uda basic design and construction easy antenna tutorial. Its an antenna stacking distance calculator asc and the current version is 1. The calculators for other antenna types such as parabolic,horn,dipole and patch are also mentioned. He is situated only 20 meters from the sea on the east front. The list will grow with your help so lets start and share the knowledge. Calculator 3element yagi maple leaf communications. Building a multiband yagi lee jennings amateur radio zl2al. Lets look at a two element quad compared to a two element yagi at various heights. So i can compared the performance between 3 element and 2 element yagi. If you decide you really need a yagi with more elements, here are the lengths of them. Posted on january 23, 2008 june 20, 2010 by mypapit.

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. Yagio runs under windows 2000, xp, vista, win 7 and likely win 8. The gain for the yagi would be more as spacing of the elements helps with the gain of the yagi. To be combined with a yagi uda antenna or used as is. The dl6wu yagi is highly regarded as being easy to build with repeatable results, broad bandwidth and a useful pattern. Figure 1 a comparison of the lower radiation angle and greater gain of the moxon red compared to the. I am using the twoelement beam described here for the past two years and i have been able to contact several dx stations getting 59 reports. Probably the easiest rotatable beam is a 2 element yagi, both in the mechanical and the electrical sense. Please post a comment if you know other great software or links with information about antenna calculator and design programs. This will add less than a meter of shorter tubing on each end, for a total boom length of around 5. A 2 element direct feed yagi for multiple bands by wb2vuo. Though this video refers to a specific model, it can be used as a reference for all the yagi 6 20 models elements length 5,4 m. I studied more about 20m yagi in the internet and asked a few 9m2 stations.

A fiveelement quad antenna for 2 meters by jim reynante, kd6glfpo box 27856san diego, ca 92198 if your station is located on the fringe of the repeaters coverage area, youve come to the right place. This page covers 3 element yagi antenna calculator. Use our simple calculator to determine approximate dimensions of materials needed to build a 3element yagi uda 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. I had a great idea that a full 5 element 20 meter beam in a fixed direction might reach europe. Feeding the yagi through an 80 foot length of rg2 good quality cable showed the following results after the element length adjustments.

However, it is possible to combine several 2element yagis on the same boom, e. I like to use the basic dl6wu wideband yagi designs whenever possible. The main category is 20 meter yagi antenna plans that is about plans for a 20 meter yagi antenna. Rick i can see where keeping a 20 meter moxon symmetrical would be a pita if in a windy qth. Not easy to put high up my tower, because its heavy. Jim boyden, ab0ge, employed it in the three element 369 40 meter wire yagi he developed. If you have no particular preference within a given ham radio band, then simply enter its center frequency i. 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. Build a wire 20m yagi, using a combination of about 4m of 50mm pvc pipe, with a junction piece that cuts the boom down to 35mm diameter on the ends. I have had one of these in the air for well over 30 years and it is still working great. Yagicad is a fully integrated analysis and design package primarily intended for vhf yagi aerials. Plans for a 20 meter yagi antenna category is a curation of 17 web resources on, monoband yagi for 20 meters, 2 element yagi, 2elementyagis for hf.

There is one scheme that i have yet to see mentioned. Yagi uda basic design and construction easy antenna tutorial nipun haritash. The pattern of left is for a twoelement 20 meter quad 35 feet high 12 wave high. Searching for a halfsize halfsize 2element yagi, i found the design by gary hanson kj5vw, ref. On picture 1 you can see the gk 4 element 20m yagi on a 40ft boom on the construction pedestal for the 20m stacks all of the yagis were built on the pedestal you see under the beams.