Much of my antenna research work is based on systematic antenna modeling in a version of the numerical electromagnetics code nec. To download and try the software click upmost two links below on the right. The only difference between the demo and standard programs is that the demo program allows only 20. Mininec pro is an antenna analysis program for windows and macintosh computers. Links to software and other information 4nec2 free nec2 software with excellent gui. Wire antenna software free antenna modeling software. Antenna modelling for complete beginners model your own. Take a look at my tutorial for describing antennas for wlan deployment. 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. This reflects substantial structure changes to the program. Multinec can then calculate the results for a given scenario or can run multiple test cases while automatically changing the model between runs.
Mininec pro antenna analysis software black cat systems. With the proliferation of personal computers and affordable even free software, antenna modeling has become a popular amateur activity. Click on the image to the left to see a screen shot from eznec 3. The following brief notes will provide links to known antenna modeling software providers. There is also a sample nec model that you can use to test your setup. Emcos antenna vlab free student version of mom software with gui. Nec4 the latest version of nec is nec4, which overcomes most of the shortcomings with earlier codes. Antenna analyzer antenna designer antenna plot antenna analyse analyzer plot new in eznec 5. Glmom method of moments em field simulator with gui. Apr 30, 2017 4nec2 is a free nec numerical electromagnetic code based on antenna modeling and optimization software written by arie voors. Best software for ham antenna simulation, time owned. Antenna modelling software based on nec2, nec4, mininec kernels is a frontend to the named kernel. Jul 24, 2019 antenna analyzer antenna designer antenna plot antenna analyse analyzer plot new in eznec 5.
At first, antenna modeling software is difficult to understand, primarily because of the cartesian coordinate method used. How to produce a nec antenna file and what software to. Eznec seems to be in the majority of cases the first recommended antenna modelling software to hams who ask what they should use. The nec simulation model, and sample output, can be found here. Antenna modelling for complete beginners mmana nec youtube. Advanced antenna modeling is in every respect the guide to using modeling software for designing, optimizing and evaluating antennas. 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. I show you how to model your first dipole, loop and vertical. Mmana free software based on mininec from dl2kqeu1tt. Antenna modelling for complete beginners model your own dipole. Asap a free general purpose antenna analysis useroriented software program for numerical electromagnetic antenna design, antenna modeling and antenna analysis.
Models can include wires buried in a homogeneous ground, insulated wires and impedance loads. Xnec2c a translation of nec2 into c, nec2c, and a gtk2 based gui, xnec2c. Yag files can be converted using the msdos based scale. This link is listed in our web site directory since sunday dec 20 1998, and till today necwin pro has been followed for a total of 31145 times. If it is not visible just press f3, or if the window is visible and the geometry was not updated just select viewreset on the geometry window. Numerical electromagnetics code nec2 unofficial home page. Select the orientation, length, and diameter of the model and perform the analysis of yagis, quads, phased arrays, towers, loops, and other types of antennas in their actual operating environment. Here are 4nec2 installation steps in ubuntu using wine. Mmanagal basic a free antenna modeling program based on mininec. Besides regular improvements, new improvements create the possibility of further improvements of capabilities and services available with the program.
Nec2 is a highly capable version of the code which is in the public domain. The best way to get acquainted with eznec is to download the free demo program. What do hobbyists use if they have a desireneed to simulate a pcb antenna for say sub 1ghz frequencies. Jul 11, 2019 especially designed for antenna modelers, 4nec2 is a simple tool for designing, optimizing and verifying 2d or 3d geometry structures.
View antenna display, showing the wires making up the model of the fiveelement beam, with currents and 2d slice superimposed to show orientation. Link here for information and instructions on how to run nec2 in a microsoft windows environment. The physical design of the antenna is entered such as the lengths of wires and elements. This is definitely my goto app for all nec antenna modeling for many reasons. New modeling objects l networks, transformers, parallel connected loads. How to produce a nec antenna file and what software to use. If you are a mac user and have the need to do some antenna modeling, give cocoanec a try, i think that you will like it. Intel cpu is required on xp and vista systems but not on windows 7 and later.
Software beta testing was provided by a group of fellow amateurs. Details on how to construct this antenna, both as standalone and as a parabolic dish feed can be found at this link. Sep 24, 2011 my upgrade chain of modeling software so far has been. You can then run multiple eznec test cases while autoez automatically changes one or more variables between runs.
The numerical electromagnetics code, or nec, is a popular antenna modeling system for wire and surface antennas. Dec 14, 2019 eznec is a powerful but very easytouse program for modeling and analyzing nearly any kind of antenna in its actual operating environment. Early versions of mininec were written entirely in basic and the computation engine source code was published as a pds in mininec version 3. Poggio wrote the necmom family of programs at lawrence livermore. It is restricted to antenna elements of a single diameter although some software providers have introduced corrections for linear elements whose diameters varies. Analysis of thinwire structures in the presence of finite ground.
Mininec for windows is antenna modeling tool for the novice, student and hobbyist. Antenna solver provides much greater flexibility in the construction, analysis, and interpretation of radiating structures using a rewritten nec module. This is a 3 rd party book and is not connected to arie in any way. 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. Nec numerical electromagnetic code, written by gerald burke, is a popular antenna modeling code for wire and surface antennas and scatterers. To install the 4nec2 package, follow the below steps. The numerical electromagnetics code, or nec, is a popular antenna modeling system for wire.
Nec 2 method of moments engine with text punchcard interface. Nec simulates the electromagnetic response of antennas and metal structures. Thanks for downloading and reading this definitive guide to the widely popular 4nec2 antenna modeling software. If youve been daunted by antenna modeling till now, 4nec2 is a great way to start. Nec was developed by the lawrence livermore national laboratory in the 1970s and is an antenna modelling system for wire and surface antennas. The code was made publicly available for general use and has subsequently been distributed for many computer platforms from mainframes to pcs. To be used with either nec4 or yagi optimizer modeling programs. This window can be brought up by hitting the edit nec input file button on the main window. Mmanagal is an antennaanalyzing tool based on the moment method, which was introduced in mininec. This window can be brought up at any time by hitting f3. Most programs using nec include features that run batches of nec calculations to produce a composite output.
Our antivirus analysis shows that this download is virus free. The main category is antenna analysis software that is about software,antenna analysis software, for ham radio operators and hams. But i find this approach quite useful to understand how the issued software works, which is the first step to improved handling of such. I find the clike programming tool much more flexible and easier to use than the eznecautoez kludge for automatic optimizations. If im too fast for you, sonsider clicking the gear icon normally lower right on a browser and. Starting eznec modeling 3 ctu, dayton, 2011 the eznec 1 software, created and marketed by roy lewallen, w7el, can be obtained from. The resource is currently listed in in a single category. Easy importation of wire coordinates gw lines from necformat files. Antenna analysis program for windows and macintosh computers. Autoez works in conjunction with the eznec antenna modeling program and allows you to use variables to control diverse aspects of the model. Links to software and other information 4nec2 free nec 2 software with excellent gui. These engines date back to the 1970s, and were written in fortran to run on mainframe computers. Nec24 based antenna modeler, analyzer and optimizer. Asap antenna scatterers analysis program, is a free general purpose antenna analysis software program for numerical electromagnetic antenna design, modeling and analysis.
Nec 4 the latest version of nec is nec 4, which overcomes most of the shortcomings with earlier codes. Read 38644 times 0 members and 1 guest are viewing this topic. Currents in the various conductors making up the antenna elements can also be plotted, as well as a complete tabulation of the nec engine output. It also shows where your sources are by representing them with purple circle. Modeling, a powerful tool in amateur radio, can help you to design antennas and optimize their performances. Mininec should not be confused with nec, which is a large antenna analysis program written in fortran and designed to run on mainframe computers. The main category is antenna analysis software that is about software, antenna analysis software, for ham radio operators and hams. Eznec and other similar antenna modeling packages, with few exceptions, are wrappers for the nec numerical electromagnetics code engines. Eznec is a powerful but very easytouse program for modeling and analyzing nearly any kind of antenna in its actual operating environment. 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. Nec2 is a public domain methodofmoments mom simulator suitable mainly for wire antennas and some planar antennas. Click on the image to the left to see a screen shot from eznec v. As indicated by the name, cocoanec uses the cocoa framework of mac os x. Asap a free general purpose antenna analysis useroriented software program for numerical electromagnetic antenna design.
Details on how to construct this antenna, both as standalone and as. Mmanagal is an antenna analyzing tool based on the moment method, which was introduced in mininec. This link is listed in our web site directory since sunday dec 20 1998, and till today nec win pro has been followed for a total of 31145 times. The numerical electromagnetics code nec is a popular antenna modeling software package for wire and surface antennas. The package comes with a number of example models, and there is an extensive indexed help 2 facility with information on all aspects of the program. You can then run multiple eznec test cases while autoez automatically changes one or more. Antenna modeling used to be the domain of scientists and engineers with very. Over the last two decades, computerized antenna modeling has advanced greatly. About necwin pro the resource is currently listed in in a single category. In addition to english default, russian more information about russian mmana available on dl2kqs website. It was originally written in fortran in the 1970s by gerald burke and andrew poggio of the lawrence livermore national laboratory. Antenna modeling software and tutorials electrical. My upgrade chain of modeling software so far has been.
Cebik, w4rnl much of my antenna research work is based on systematic antenna modeling in one or another version of the numerical electromagnetics code nec. Antenna modeling software for the mac henry ott consultants. For antenna modeling software, one of the best programs is nec, which is free and available on most computing platforms. Especially designed for antenna modelers, 4nec2 is a simple tool for designing, optimizing and verifying 2d or 3d geometry structures. Antenna modeling software and other utility programs by dan maguire, ac6la autoez automated use of eznec. The application is free and it can be downloaded from the download page which can also be accessed by using the download tab button at the top of this page.
I purchased a license for nec4 from llnl and it integrated seamlessly. M mana is an antenna analyzing tool based on the moment. We could say these softwares are user interfaces that handle a data set, namely an antenna geometrie and a. For a given frequency, the feedpoint impedance is calculated, along with theoretical efficiency. Ive downloaded qantenna and 4nec2 to try and model my antenna and see what i can do, however neither of these programs allow you to make an antenna as far as i can tell they require you to import an nec file. View antenna display, showing the wires making up the model of the fiveelement. With the proliferation of personal computers and affordable even free software, antenna modeling. The code is based on the method of moments solution of the electric field integral equation for thin wires. You can build your model via the user interface or import existing eznec, nec, antenna model teri software, elnec, mmana, ao, or necwires format models. Nec lab nec lab is a powerful tool that uses numerical electromagnetics code nec2 and artificial intelligence ai to design antennas. Cocoanec free nec software for the mac osx tiger operating system by w7ay.
It also includes stateoftheart 3d visualization and a drawing style structure editor. Contains information about the popular mmanagal antenna modeling program. To run 4nec2 in ubuntu, i use wine as an installation tool for the reasons i have described in my previous posts. The program provides ability for changing the language of signs and messages of the program.
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