Antenna, ve3sqb ham radio antenna design software programs. The g4zu spider beam or skypper resource detail the. Tvi fears have encouraged many people to shy away from the hf bands, in favour of vhf, uhf or 160 metres. Antenna calculator dipole antenna calculator, yagi antenna calculator. Please post a comment if you know other great software or links with information about antenna calculator and design programs. Free online engineering calculator to find the dimensions of a cantenna can antenna. Like you can see, the pattern diagram is very selective, with noteable fronttoback performance around 27db. Yagistress the ultimate mechanical design software for antenna designers. Having had a gem quad hf 201510m for a few years, back in the early 80s, i can testify to the quads slight advantages over a tribander yagi with the same number of elements.
About the g4zu spider beam or skypper the resource is currently listed in in a single category. By kurt andress, ni6w by kurt andress, ni6w ytad by n6bv determine antenna gain based on the slope of terrain. This calculator is designed to give the vertical length height of a particular antenna, for the frequency and wavelength chosen. Just as we all love open source software, one has to love the hex beam, and much smaller, though. The correct lengths for the various models will be displayed in the chart. The design has transmogrified into a family of antennas including a 5band version 2017151210m, a warc version 301712m, and. Transmitters provide oscillating electrical energy on to the antenna which radiates them as electromagnetic waves. Works either in standard and metric units, and let you choose on material, and loop. The calculators for other antenna types such as parabolic,horn,dipole and patch are also mentioned. View antenna display, showing the wires making up the model of the fiveelement beam, with currents and 2d slice superimposed to show orientation. 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. When installing beam antennas it is better to get them errected as high as possible, because an antenna with less gain errected as high as possible will produce a better signal than one of a higher gain errected at a lower height. Coinductive and pdlii are trademarks and this antenna is most certainly covered by patents. A page showing some of the antenna modeling software out there a person can use to help model an antenna for performance on many levels.
This formula to obtain the length of a halfwave dipole antenna will give a good ballpark value to start with. Effective radiated power erp calculate erp from known transmission variables. You can further reduce the height of the antenna by placing a capacitance hat at the top. Why choose the skypperantenna yf1ar yankee foxtrot one. The wavelength calculators used to calculate the antenna element dimensions will therefore use the speed of light 299792458 meters per. The article was titled extremely long yagi antennas. Download hf dipole calculator 12 wave wire dipole antenna. All you need to do is enter the desired resonant center frequency in the form below, then click calculate. Antenna calculator dipole antenna calculator, yagi antenna calculator, find the length of a dipole, 3 element yagi. This calculator enables you to test the design of an octagonal loop antenna and to answer what if questions until you arrive at a design that meets.
The formula and basics of yagi antenna calculator are also explained with example. Antenna calculator is an app that takes the trouble out of calculating antenna lengths. This app does nothing more than the standard 468freq mhz type calculations. The results are conveniently displayed in inches, centimeters, feet and meters. However i highly recommend to follow my instructions, which are based on computer antenna simulation software 4nec2, to maximize performance. Erp calculator comes preprogrammed with data files including published data for several popular brands and types of coax cable as well as several popular antenna system brands and models. The formula for calculating the approximate length of a quarterwave vertical antenna is.
Also, you will want an antenna that is physically strong, so it will stay up through many years of storms. Here we have collected some links to building instructions for 11m antennas on the internet. Antenna calculator wifi antenna extension loss calculator. Jul 14, 2014 hence here is the double biquad antenna and biquad antenna calculators for handmade antenna based on average data. Solved software for viewing 3d antenna radiation pattern.
Build a shortwave antenna the search for the perfect shortwave antenna by n4ujw webmaster. Antenna is an electrical device used to convert electrical power in to radio waves and vice versa. Effective jan 2016 i will be changing web hosting providers and as such a complete redesign of my website using a content management systemcms to better design and host the site. It is a fullsize 3 elements yagi with the director and reflector bend towards the radiating element. This calculator is designed to give the horizontal length of a particular dipole including tees antenna, or one side of it, for the frequency chosen. Calculate the frequency length of antennas please enter one value only and calculate the result. Kansas city tracker web site hardware and software package which enables an ibm compatible computer to connect to an antenna rotor controller, in order to perform automated elevation and azimuth positioning and satellite tracking. Antenna calculator software free download antenna calculator top 4 download offers free software downloads for windows, mac, ios and android computers and mobile devices. Lets see some antenna calculator and antenna design software that will help you design faster and better. Antenna design calculators jeroen steeman software. Antenna design calculators category is a curation of 83 web resources on, magnetic loop excel sheet, parallel square conductor transmission line calculator, analysis of antenna mast strength and bending stress. This gave the antenna more gain than a simple quad. Skypper larger wire antennas that were succesfull are the moxon series. The following program will calculate the lengths needed to construct several popular wire antennas.
Wire antenna software free antenna modeling software. This calculator enables you to test the design of an octagonal loop antenna and to answer what if questions until you arrive at a design that meets your needs without a lot of experience in electronics. Yagi calculator is a free antenna design and analysis software for windows. This software can not only be used to design but also to find out antenna gain, stacking distance, and standing wave ratio swr. The most common material for home building small ham radio loop antennas is common copper plumbing pipe.
And when your neighbors still talk to you, your antenna is to small. Verticals covers all the common types with a coil calculator built in for the antennas that require them. My next antenna project should be an 10m or 11m skypper antenna. On the 11 meter we call it the skypper due to the manufacturer alex 1sd019 on ham bands we call it the spider beam or g4zu. A poor antenna converts very little signal, but a good antenna converts a lot more. Yagi uda antenna calculator you may want to combine it with a folded dipole. The antenna is designed to be fed with 50 or 75 ohm coax cable of most any length with a balun.
Bigger dimensions could give restriction, depending on your location and or your neighbors. Just as we all love open source software, one has to love the hex beam, and much smaller, though equally enthusiastic, spider beam communities. The free space path loss is used to predict the strength of a rf signal at a particular distance. Antennas also pick up noise manmade and natural and you want your antenna to receive more signal than noise. Yagi calculator is a program to assist with the design of long yagi antennas. Building and experimenting with antennas can be an interesting part of the radio hobby.
The loops of folded antenna have been replaced by v shaped elements without any changes and easier matching. Antenna calculator for ios free download and software. This does not take into consideration the type or size of horizontal reflectors, of even if there is a need for them. A quarterwavelength antenna is easy and inexpensive to build and can be an effective antenna with a low angle of radiation that is, power is radiated out, not up. The measurements below are for building a simple dipole antenna. Follow these simple plans to build a multiband shortwave antenna and be on your way to world band radio excitement. Download yagi designer software for windows for free. Feeding the antenna can be done at the director or at the reflector. Radio waves behave very similar to the photons in light waves.
But all types of antennas can be changed into the frequency you prefer. The main category is ham radio antennas projects that is about ham radio antennas, home made ham radio antenna projects kits and drawings. This link is listed in our web site directory since saturday feb 16 2008, and till today the g4zu spider beam or skypper has been followed for a. The vertical diagram pattern with the antenna at 8 meters height, presents the elevation peak at 18 with 12,14 dbi and 5,14dbi at 5. Let this app do all the hard calculations for you at the touch of a button. Design and adjustement is easy, as with the capacitor you can tune the resonance by some mhz with no effort. I could not find any published formula for them but only sample antennas. Free online engineering calculator to find the dimensions of a yagi uda antenna for a given frequency range and length. Dec 29, 2015 a very basic program for calculating the length of each leg of a 12 wave wire dipole antenna. On this web site you will find mostly 11 meter antennas.
Why choose the skypperantenna the skypperantenna is a 3 element wireyagi, supported by fibreglass rods. Antenna calculator length of the dipole antenna calculation. Free space path loss calculator fspl everything rf. This calculator was adapted from the coilshortened dipole antenna calculator. The list will grow with your help so lets start and share the knowledge. May 23, 2012 these are the simulations in nec2 with the software antenna optimizer. If you would rather calculate the length of a fullsize vertical antenna, see the quarterwave vertical antenna calculator.
Antenna calculator calculate your dipole, 3 element yagi etc find the length of a dipole. It uses the graphs and principles developed by dl6wu and printed originally in the german radio magazine vhf communications march 1982. Antenna calculators folded dipoles, wire antennas, design your own dipoles, design your. The place to talk about specific radios, equipment and accessories. The total weight of this antenna does not exceed 2kg and its portable length does not exceed 1 meter, therefore it is easily portable by one person. Loss increases with distance, so understanding the fspl is an essential parameter for engineers dealing with rf communications systems. This calculator can be used to design a quarter wave ground plane antenna, with radials. This page covers 3 element yagi antenna calculator. Due to the restrictions in the corona crisis, some areas are supplied with delays or at times not at all. Jun 30, 2012 why choose the skypper antenna the skypper antenna is a 3 element wireyagi, supported by fibreglass rods.
Education software downloads yagi designer by goforth laboratories and many more programs are available for instant and free download. Antenna calculator for hf antennas ham radio secrets. Jul 03, 2014 erp calculator is an ham radio software utility designed to perform a sidebyside comparison of two ham radio antenna systems. Enter the desired frequency and select the desired calculation from the drop box. To design the antenna, you need to go to task design yagi menu. Effective radiated power erp from antenna gain db calculator free. Analysis of thinwire structures in the presence of finite ground. Antenna efficiency calculator antenna efficiency calculator, parabola antenna antenna eirp calculator enter power, antenna type, frequency, coax type, coax lenght, press for eirp antenna gain vs height this calculator computes the gain and elevation angles for various antennas that are mounted over a perfect or lossy ground. I really believe that all of us, is smarter then one of us. Antenna design freeware 1d and 2d arrays from mei software. What ever the name is its principle remains the same. With the proliferation of personal computers and affordable even free software, antenna modeling has become a popular amateur activity. Autoez works in conjunction with the eznec antenna modeling program and allows you to use variables to control diverse aspects of the model.
The antenna calculator above uses this formula as a starting point to calculate wire lengths for the dipole. You can then run multiple eznec test cases while autoez automatically changes one or more variables between runs. Using this software, you can design and build your own yagi antenna. Spacing is the distance from the boom to the gammamatch. Simple wire antennas are quite allright, but using them to do well in a contest is pretty hard.
Free space path loss fspl calculations are often used to help predict rf signal strength in an antenna system. Antennas are equipped with radio transmitters and receivers. Get free tv replace directv with an overtheair antenna. An option provides automatic doppler shift compensation for digital satellite operation and automatically adjusts the radios transmit and receive frequencies. This free online tool takes antenna height and the topographical formations of the earth to calculate the lineofsight of a radio path. The original spiderbeam antenna designed by df4sa is a full size, lightweight, triband yagi for 201510m.
Online tools and downloadable aids for shure wireless equipment and applications. Software antenna software defined radio swr meter system of grounding theory traps tower. New stations often begin operating on hf using an end fed wire or a vertical antenna, a recipe for disaster, sometimes even on qrp. It has the yagis gain and the quads direct feed and signal capture. Rf antenna calculators for various antenna designs back to telecommunication. It is optimised for portable use, being constructed from fibreglass and wire. For example, the ubiquiti sector antenna am5g19120 has its antenna properties defined as seen in this link. Verticals covers all the common types with a coil calculator built in for the antennas that require themthe quagi may be the best of two worlds. There are usually four radials, three being a minimum, but you could use up to six. Is there any software that enables me view antenna radiation patterns in 3d by simply using the information in say the.
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