The antenna modeling program mmanagal basic is freeware and cowritten by alexandr schewelev dl1pbd, igor gontcharenko dl2kq and makoto mori je3hht who also owns the. Asap antenna scatterers analysis program, is a free general purpose antenna analysis software program for numerical electromagnetic antenna design, modeling and analysis. Feko is ideally suited to the simulation of wire antennas in isolation and also integrated in their operational environments. Several other items, such as currents and wire numbers, can be. Our simulation tools can work alone or together for a complete analysis of how an antenna will perform. But download a program anyway and let me know how you get on with it. Eznec a well known commercialbased antenna modeling package based on nec3 and nec4. What do hobbyists use if they have a desireneed to simulate a pcb antenna. M mana is a powerful antenna modeling program that is fascinating to experiment with. The big 3 in ham antenna modelling software are eznec, 4nec2 and mmanagal. A page showing some of the antenna modeling software out there a person can use to. Cst studio suite is suitable for designing a wide range of antenna types, including horns, reflectors, wire antennas, printed antennas and arrays. It can model a wide range of antenna types, calculate radiation patterns, power gains, fronttoback ratios, feed impedances, bandwidths, the effects of loading inductors. You can then run multiple eznec test cases while autoez automatically changes one or more variables between runs.
Antenna modeling for beginners is an introductory guide to using modeling software for designing and. But the quantitative visualisation of a model cannot be avoided. One disadvantage, however, is that not all types of programs are written for the mac. Mmana antenna modeling program tutorial, part 1 a stepbystep invertedcoathanger antenna mmana modeling program design example. Generally people dont think of radiofrequency radiation in terms of discrete particles oscillating electrons and photons they typically use the wave model instead, as its much easier to use. Once you get familiar with all the capabilities and features of the demo version, you will have acquired the knowhow to design more complex antennas. The software is completely free and no licensing necessary. Antenna magus is a software tool to help accelerate the antenna design and modelling process. And other em electromagnetic modelling software based on mesh engines such as feko em, ansys hfss, sonnet em which do cost a pretty buck. Antenna traps category is a curation of 24 web resources on, tuning antenna traps, bootstrap coax traps for antennas, low loss wire traps.
If im too fast for you, sonsider clicking the gear icon normally lower right on a browser and. With the proliferation of personal computers and affordable even free software, antenna modeling has become a popular amateur activity. Ansof simulation software for modeling wire antennas and scatterers. The neighbours are still cautious to talk to me and the xyl doesnt want to discuss it.
Eznec and other similar antenna modeling packages, with few exceptions, are wrappers for the nec numerical electromagnetics code engines. View antenna display, showing the wires making up the model of the fiveelement. Hf dipole antenna this antenna software will help you design a simple wire dipole antennas for 1 30 mhz. Mmana modeling program tutorial a stepbystep invertedcoathanger antenna mmana modeling program design example mmana is a powerful antenna modeling program that is fascinating to experiment with. The basic source code of the computation engine is published as a pds in mininec. Mininec pro antenna analysis software black cat systems. Zplots uses excels charting capabilities to plot impedance data obtained from a variety of sources, including the w5big aim4170 antenna analyzer, the n2pk vector network analyzer, and several different antenna modeling programs. For a given frequency, the feedpoint impedance is calculated, along with theoretical efficiency. It could be that the antenna is designed in free space, and you had to mount the elements to a boom to make it.
With modeling you can determine the pattern, feed point impedance and even the swr of your antenna system before cutting one piece of wire or one tube of aluminum. It increases efficiency by helping the engineer to make a more informed choice of antenna element. Best software for ham antenna simulation, time owned. Additional material was added for the following topics. Hyperworks unlimited stateofthe art private cloud hpc appliance offering unlimited use of all altair. These engines date back to the 1970s, and were written in fortran to run on mainframe computers. Antenna modeling for beginners over the last decade, computerized antenna modeling has advanced greatly with inexpensive and even free modeling software now available. Antenna modelling for complete beginners model your own dipole. Antenna modeling for beginners k3rrr kilo three triple r. Antenna modeling software for the mac i like using mac computers because of the inherent stability of the underlying unix operating system, and the immunity to most viruses. A new trend in antenna modeling software is to build antennas that are resonant. When running frequency sweeps, linear or logarithmic style swr, gain. Antenna modelling for complete beginners model your own dipole, vertical or loop mmana nec. There are other, non nec or mininec kernel based programs.
For the design of antenna modelling such as for patch antennas, ic designs, waveguide systems and even feed horns, though they should be electrically small, i would agree with marrco azpurua with. We turn to eznec antenna modeling software to see that the old rule of thumb of one half wavelength is correct. Mmanagal l is an antenna analyzing tool based on the moment method, which was introduced in mininec version 3. We could say these softwares are user interfaces that handle a data set, namely an antenna geometrie and a command. Nec based antenna modeler and optimizer by arie voors 4nec2 is a completely free nec2, nec4 and windows based tool for creating, viewing, optimizing and checking 2d and 3d style antenna geometry structures and generate, display andor compare nearfarfield radiation patterns for both the starting and experienced antenna modeler. Analysis of thinwire structures in the presence of finite ground. To download and try the software click upmost two links below on the right. With it, youll quickly learn what eznec can and cant do for you. If youve been daunted by antenna modeling till now, 4nec2 is a great way to start.
Remcoms antenna modeling software tools ensure proper design and placement of antennas in almost any application. Nec24 based antenna modeler, analyzer and optimizer. Several other items, such as currents and wire numbers, can be added to this display. The feko kernel is based on the method of moments mom which solves for the currents on wire structures and then uses these currents to derive secondary solution parameters such as radiation patterns and input impedance. Feko for simulation of wire antennas altair hyperworks. Antenna modeling eznec tutorial by greg ordy, w8wwv for intermediate users. Analysis of thin wire structures in the presence of finite ground. Antenna software free download antenna top 4 download. Another antenna analysis software alternative to numerical electromagnetic code. Get overtheair hdtv free, cut the cord, antenna tv duration. Antenna modeling used to be the domain of scientists and engineers with very expensive antenna ranges covering acres and acres of land strewn with expensive equipment. It can model a wide range of antenna types, calculate radiation patterns, power gains, fronttoback ratios, feed impedances, bandwidths, the.
Wire antenna construction methods antenna modeling software mininec, winnec, and eznec for windows. Comprehensive website of lb cebik, w4rnl silent key requires signup to access previously free but recently converted to a subscription services with the online magazine, hundreds of useful tutorials, models, and antenna design notes steve stearns, k6oik, has published antenna modeling for the. Applying a feed to any antenna in nec or any electromagnetic simulation software is about a simple a task as can be conceived by placing a source of near infinitesimal size inline with a dipole element. Apart from these there are yo, ao and also necwin plus, nec2go.
It will help you understand antenna modeling and evaluate the antenna software available. Antenna placement analysis and simulation software remcom. This reflects substantial structure changes to the program. Of course, do not raise the antenna off the ground. Mininec pro is an antenna analysis program for windows and macintosh computers. This video tracks the actual modeling in eznec and shows what happens when we. Basis for antenna modeling using computer software originally written in fortran in the 1970s by gerald burke and andrew poggio of the lawrence livermore national laboratory the code is based on the method of moments solution of the electric field integral equation efie for thin wires and the magnetic field integral. Antenna modelling software based on nec2, nec4, mininec kernels is a frontend to the named kernel. Antenna software free download antenna top 4 download offers free software downloads for windows, mac, ios and android computers and mobile devices. It was useful for modeling certain common types of antennas used on aircraft or spacecraft or other examples where the ground was far enough away that it.
The real improvements have been on the user interface, and 3d plotting capacity. Software, elnec antenna modeling and analysis by w7el. Tldetails transmission line program with animated charts experiment with transmission lines. Link here for information and instructions on how to run nec2 in a microsoft windows environment. Antenna modeling software for the mac henry ott consultants. Yagi calculator is a free antenna design and analysis software for windows.
An absolute must for true antenna enthusiasts who need to get the most out of their antenna software, especially those at ease in a more technical environment. Antennex antennex is a online magazine dedicated exclusively to everything related to antennas. Wire antenna software free antenna modeling software. Mar 23, 2015 antenna modeling software for the mac i like using mac computers because of the inherent stability of the underlying unix operating system, and the immunity to most viruses. Take a look at my tutorial for describing antennas for wlan deployment. The 12 mile of wire looked like a suspension bridge. Momic is a method of momemtns interactive code for numerical modeling of arbitrary thin wire radiating and scattering structures in free space. This software can not only be used to design but also to find out antenna gain, stacking distance, and standing wave ratio swr. Read 36947 times 0 members and 1 guest are viewing this topic. Optimizing the antenna length thick wire dipole of chapter 7 27 9. Oct 21, 2019 nec was developed by the lawrence livermore national laboratory in the 1970s and is an antenna modelling system for wire and surface antennas. View antenna display, showing the wires making up the model of the fiveelement beam, with currents and 2d slice superimposed to show orientation.
Antenna modelling for complete beginners model your own. This not a problem on hf, a minor problem on 2 meters, very noticeable on 440 mhz and can destroy a 1. It could be that the antenna is designed in free space, and you had to. Nec4win nec4win vm a windows xp, vista simulation program based on mininec 3. The dl6wu yagi is highly regarded as being easy to build with repeatable results, broad bandwidth and a useful pattern. Details on how to construct this antenna, both as standalone and as. Momic is a method of momemtns interactive code for numerical modeling of arbitrary thinwire radiating and scattering structures in free space. Autoez works in conjunction with the eznec antenna modeling program and allows you to use variables to control diverse aspects of the model. Simulation of wire antennas using 4nec2 a tutorial for beginners version 1. Flux flux is a finite element software application used for electromagnetic and thermal physics simulations, both in 2d and 3d learn more. There are no restrictions on copying or distributing this software as long as the software remains unmodified and ownership is acknowledged. Available antenna design software eznec and 4nec2 are based upon the numerical electromagnetics code, or nec, which is a popular antenna modelling system for wire and surface antennas originally written in fortran in the 1970s.
Its a complete eznec program except limited in the complexity of antenna it can analyze. Why doesnt the computer modeled antenna work as expected. Polar plot is a program for the windows 9598 environment that uses the audio capabilities of the pc and a receiver to allow the user to generate a polar plot of his antenna. Oct 12, 2018 cst studio suite is suitable for designing a wide range of antenna types, including horns, reflectors, wire antennas, printed antennas and arrays. What do hobbyists use if they have a desireneed to simulate a pcb antenna for say sub 1ghz frequencies.
What is the best software used for antenna design and. Besides regular improvements, new improvements create the possibility of further improvements of capabilities and services available with the program. Memorial to g4fgq qrp site free radio computer programs. Yagi calculator is a windows program that also runs well on linux, ubuntu 8. The demo version of the software is fully functional and more than adequate for most ham radio antenna design needs. There is also a sample nec model that you can use to test your setup. Software modelling your vertical antenna ground radials with. Eznec and 4nec2 are based upon the numerical electromagnetics code, or nec, which is a popular antenna modelling system for wire and surface antennas originally written in fortran in the 1970s by gerald burke and andrew poggio of the lawrence livermore national laboratory. Ac6la antenna utilities a collection of commercial antenna utilities. I show you how to model your first dipole, loop and vertical. Antenna modeling used to be the domain of scientists and engineers with very. Nec traces its history to an earlier program, bract, which was used to analyze antennas consisting of many thin wires in free space. Long yagis are commonly used from the 144mhz amateur band to the 2.
Ive found that 4nec2x beats all the other available modeling packages in this regard. I find it far faster for initial entry than xyz entry of coordinates. So if you find something it wrong, you may find the antenna wire that you are feeding isnt touching ground with z0. Starting eznec modeling 9 ctu, dayton, 2011 nec2 has the desirable property that it is free, in the public domain, can be distributed and used without a software license, and can be used around the world.
If you have not yet mastered the sizes of enamelled copper wire in terms of millimetres and still work in thou of an inch, or mils you will be at a slight disadvantage all the programs are in metric units. The main purpose of this modeling and simulation of antennas course is to gain a true understanding of the principles of antenna theory and the major antenna modeling methodologies. Eznec models wire and insulation loss and gives loss data for traps or. It also includes stateoftheart 3d visualization and a drawing style structure editor. The best way to get acquainted with eznec is to download the free demo program. Using this software, you can design and build your own yagi antenna. Modeling, a powerful tool in amateur radio, can help you design antennas and optimize their performance. Antenna, ve3sqb ham radio antenna design software programs.
Well in the early days of amateur radio nearly everything was matched by either, a gamma match, beta match, hairpin match, 75 ohm 14 wave coax match, or one of a few hundred other home made matching devices. At first, antenna modeling software is difficult to understand, primarily because of the cartesian coordinate method used. Source code and windows executables are available to download. Numerical electromagnetics code nec2 unofficial home page. The program use the mininec3 engine modified by alexandre schewelew, dl1pbd, and are.
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