This link is listed in our web site directory since wednesday sep 19 2012, and till today cantenna calculator has been followed for a total of 4084 t. An application designed to generate data for the construction of long yagi antennas for vhf and uhf use. I specialize in a certain type of antenna called a jpole. The measurements below are for building a simple dipole antenna. Antenna calculator is an app that takes the trouble out of calculating antenna lengths. Here is a list of best free antenna design software for windows. Dipoles antennas are easy to build and can be very effective when placed half a wavelenth or more above ground. The diamond x50a has a somewhat higher gain than the arrow on 2. The jpole antenna is a 12 wave antenna with a 14 wave matching stub. Ive constructed a 144440 dual band open stub jpole antenna. Download jpole perform calculations in order to find out the correct dimensions for building jpole antennas using this portable program that runs low on system resources.
The list will grow with your help so lets start and share the knowledge. Will also fit in the antenna bag if all the elements are. Ive taken what i learned from the gmrs continue reading homebrew 5 element vhf yagi. View and download arrow antenna osj vhfmarine instructions online. Online physics calculator that calculates the long, short section, feed point, spacing dimensions values for current frequency. The theory behind these two antennas is not the same, unless someone has an acceptable, technical explanation that i have not yet found. The antenna can be located outside, or inside the home. John simpson, kg4zow download source code for this program moxon algorithm and diagram are from awg conversion algorithm from. Maximum power only been tested to 1,000 watts, it may take the whole 1500.
The program doesn t know or care about antenna design and theory. Dec 29, 2015 a very basic program for calculating the length of each leg of a 12 wave wire dipole antenna. This calculator can be used to design a slim jim or a j pole antenna. What range of mhz to expect from commonly available vvcs. The slim jim, designed by the late fred judd, g2bcx, can be a great portable roll up antenna, if made out of 300.
This calculator is designed to give the vertical length height of a particular antenna, for the frequency and wavelength chosen. A useful microwave antenna calculator the antenna calculator is a very simple and easy piece of software. Download hf dipole calculator 12 wave wire dipole antenna. I saw the plans for this on the internet link to plans by allen lowe n0imw. Here is an excel file that analyzes transient flow in one dimension. My name is michael, kb9vbr, and i carry a full line of vhf and uhf antennas for sale. The distance between one point to another adjacent point in a wave is known as the wavelength. Antenna calculator antenna calculator is a useful tool when developing antennas for amateur radio purposes if you cannot remember the maths to calculate. Program good for 1 500 mhz, although intended for mf hf. I understand that everyone else in the world uses metric, you can convert these continue reading open stub jpole project completed many times. It uses a matching system similar to jpole antenna.
Mar 16, 2020 yagi calculator is a windows program that also runs well on linux, ubuntu 8. So my osj 146440 simulationmodel is not what it should be. Enter the desired operating frequency in megahertz to get a good starting length for a dipole in both feet and meters. Pdf a novel compact design of a circularly polarised cornerslotted microstrip antenna for satellite and synthetic aperture radar sar. The dl6wu yagi is highly regarded as being easy to build with repeatable results. Estimating commercial antenna performance through nec modeling.
Additional benefits of patch antennas is that they are easily fabricated making them cost effective. 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. There are usually four radials, three being a minimum, but you could use up to six. Please post a comment if you know other great software or links with information about antenna calculator and design programs. Antenna calculators folded dipoles, wire antennas, design your own dipoles, design your.
Apr, 2020 yagi calculator is a windows program that also runs well on linux, ubuntu 8. It also mentions formula or equations used in these antenna tilt angle calculators. This page covers antenna downtilt angle calculator or antenna tilt angle calculator. Antenna downtilt angle calculator,antenna tilt angle. It is through this knowledge and use of the aerial that the reader and user can discover for themselves the many features the eh antenna has over conventional aerials.
Antenna, ve3sqb ham radio antenna design software programs. Pdf a novel microstrip antenna with lshaped slots for circularly. If it is inside, just attach it to the wall where your receiver is located. Yagi uda antenna calculator you may want to combine it with a folded dipole. Now, is the time to build stronger relationship w representative to better serve our customer worldwide. It has excellent dx properties and will out perform many theoretically better antenna. Microstrip patch antennas or simply patch antenna are increasingly useful because the antenna is printed directly onto a circuit board. Through these software, you can design various types of antennas like yagi, jpole, parabolic, quagi, super scanner, etc. Horizontal or vertical polarization of an cubical quad antenna is determined by placement of the feed point feed gap on the driven element parasitic elements need to be mounted in the same orientation as the driven element. Antenna calculator dipole antenna calculator, yagi antenna calculator. This does not take into consideration the type or size of horizontal reflectors, of even if there is a need for them.
Hf dipole antenna this antenna software will help you design a simple wire dipole antennas for 1 30 mhz. This calculator provides quick estimation of antenna size required for a given gain and frequency. Since i had a metal fabrication background, i thought this would be an easy build. Each antenna design software is slightly different from each other as each software design some specific types of antenna. Im sorry, but every post i have read that mentioned the copper jpole or zepp antenna had no comparison with the osj antenna that showed the two to be equivalent in theory, in any way. The antenna downtilt angle calculator calculates distance from tilt angle and tilt angle from horizon distance. A very basic program for calculating the length of each leg of a 12 wave wire dipole antenna. This calculator will help you to calculate the different wavelength of antennas. Coinductive and pdlii are trademarks and this antenna is most certainly covered by patents. This app does nothing more than the standard 468freq mhz type calculations. Spacing is the distance from the boom to the gammamatch. This link is listed in our web site directory since wednesday sep 19 2012, and till today cantenna calculator has been followed for a total of 4084 times.
See the report or download other versions of yagi calculator. Antena osj dual band vhf uhf com um cabo, 5625, 44. Heres a spreadsheet from our friends over at texas instruments that will help you estimate antenna range using the friisequation and 2ray ground reflection model. D eciding to put up a loop antenna can be more of a logistical problem than an engineering problem in the initial phases of your project planning. The program doesnt know or care about antenna design and theory. To get you started, i have made up programs that cover the most common types of antennas and a few experimental designs. 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. Antenna systems calculator is a simple to use piece of software that you can run from the command line and perform different antenna calculations with. Feeding the antenna can be done at the director or at the reflector. Inches and meters javascript wavelength calculator. The antenna is designed to be fed with 50 or 75 ohm coax cable of most any length with a balun. Measurement stand and methodology for research of the offbody.
Let this app do all the hard calculations for you at the touch of a. A beautiful, free online scientific calculator with advanced features for evaluating percentages, fractions, exponential functions, logarithms, trigonometry, statistics, and more. 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. I hope the calculator helps you with the logistical part, and gets you thinking about the engineering part. He told me that the reason why he selected my book over others was. About cantenna calculator the resource is currently listed in in 2 categories. The following program will calculate the lengths needed to construct several popular wire antennas. Downlo building the 6 meter moxon antenna kb9vbr j pole antennas moxon beam antenna calculator new images the 20 meter vertical moxon there are numerous antennas for ultimate lrs it luxembourg. Best 144440 antenna for attic installation radiobanter. Wire antenna calculator amateur radio station ws6x. Antenna length calculator build a dipole inside antenna and receive all the fm stations on your. My own as in yet another calculator for smallloop transmitting antennas functions differently from all others. Yagi calculator is a windows program that also runs well on linux, ubuntu 8. Calculator fm antenna length calculator fm frequency modulated antenna to bring in the stations loud and clear.
Antenna calculator for ios free download and software. The eh antenna concept is covered by three 3 patents. Free online engineering calculator to find the dimensions of a cantenna can antenna. The correct lengths for the various models will be displayed in the chart. Due to material, i decided on a 5 element yagi built for vhf since all i would have to buy is more 38. This gave the antenna more gain than a simple quad. It is inversely proportional to the frequency which means the wave with higher frequency will have shorter wavelength. Now its time to step it up just a little bit and fabricate a bigger antenna. Design and adjustement is easy, as with the capacitor you can tune the resonance by some mhz with no effort. Calculate the dimensions for a slim jim or j pole antenna for hf, vhf or uhf including velocity factor. Fhlvhf direction finding loop antenna for frequencies below 600 mhz. The osj 146440 j pole antenna should work great for you.
Antenna calculator for hf antennas ham radio secrets. The elements are made from 38 solid aluminum with a heavy duty angle mounting bracket. Antenna calculator wifi antenna extension loss calculator. It has two electric poles charged positive and negative. Antenna downtilt angle calculator,antenna tilt angle calculator. Featured antenna from kai siwiak, ke4pt off center end fed dipole 6m 40m intended use for apartment dwellers and mobile deployment. Dipole antenna calculator software free download dipole. Works either in standard and metric units, and let you choose on material, and loop. Tags antenna, calculator, download, electronic software, rf post navigation. This formula to obtain the length of a halfwave dipole antenna will give a good ballpark value to start with. This is important because if the mast extends above the antenna ground plane it will affect the performance of the antenna. Long yagi are commonly used from the 144mhz amateur band to the 2.
The antenna calculator above uses this formula as a starting point to calculate wire lengths for the dipole. My osj 146440 jpole went through 3 hurricanes in 6 weeks, with gusts speeds, on occasion. Kb9vbr j pole and slim jim antennas popular models. Antenna calculator software free download antenna calculator top 4 download offers free software downloads for windows, mac, ios and android computers and mobile devices. The basic configuration of a small magnetic loop consists of the main loop, coupling loop, and capacitor fixed or variable. This final calculator can be useful if you are using a. Nec models of arrow osj 146440 jpole, cushcraft r7 vertical, diamond dj icom ah7000 discone, high sierra sidekick screwdriver, and workman whf40 hamstick dipole antennas. So my osj 146 440 simulationmodel is not what it should be. This calculator provides quick estimation of antenna size.
Free software download page for antenna web design studio. Provides the necessary tools to design and calculate long yagi antennas. Online calculator jpole antenna designer changpuak. The dl6wu yagi is highly regarded as being easy to build with repeatable results, broad bandwidth and a useful pattern. Quad antenna javascript calculator for cb and amateur.
All you need to do is enter the desired resonant center frequency in the form below, then click calculate. The antenna calculator is a very simple and easy piece of software. Lets see some antenna calculator and antenna design software that will help you design faster and better. Building jpole amateur radio antennas category is a curation of 86 web resources on, jpole antenna for your packet radio station, the jpole antenna revisited yet again, j pole antenna for 6 meters. Their low profile design, often square or rectangular, allows them to be mounted to flat surfaces. Ruggedly constructed one piece design, this jpole antenna will last practically forever. It gives you the appproximate length of, for instance, 75. Free online engineering calculator to find the dimensions of a yagi uda antenna for a given frequency range and length. Antenna calculator dipole antenna calculator, yagi antenna calculator, find the length of a dipole, 3 element yagi. It is the most effective antenna when compared to other ground plane antennas. It features a single feed point via a stud mount so239 socket.
The results are conveniently displayed in inches, centimeters, feet and meters. This calculator can be used to design a quarter wave ground plane antenna, with radials. Works well with handheld ht radios, base stations, and repeaters. Many configurations exist when constructing the main loop and secondary loop. The loops of folded antenna have been replaced by v shaped elements without any changes and easier matching. Mar 24, 2020 this page is broken ive assigned my best minions to fix it up kb3kai. The blue print contains just the basic step and directions assuming you know how to fabricate antennas or know your way around metal fabrication andor machining. K7tjo metric to imperial calculator feet inches and fractions of an inch element length scaling calculator for scaling the antenna you read about to the frequency you want with the materials you have. Pdf with the plastic parts detailed prints right click save as to make this antenna. Yagi calculator is a program build to produces dimensions for a dl6wu style long yagi antenna.
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