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. Sep 24, 2011 my upgrade chain of modeling software so far has been. 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. Antenna modelling software based on nec2, nec4, mininec kernels is a frontend to the named kernel. 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. Easy importation of wire coordinates gw lines from necformat files. M mana is an antenna analyzing tool based on the moment. 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 following brief notes will provide links to known antenna modeling software providers. The code was made publicly available for general use and has subsequently been distributed for many computer platforms from mainframes to pcs. Antenna analysis program for windows and macintosh computers. To download and try the software click upmost two links below on the right. The program provides ability for changing the language of signs and messages of the program.
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. 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. With the proliferation of personal computers and affordable even free software, antenna modeling. Wire antenna software free antenna modeling software. Mmanagal is an antenna analyzing tool based on the moment method, which was introduced in mininec. This window can be brought up by hitting the edit nec input file button on the main window. Contains information about the popular mmanagal antenna modeling program. Eznec seems to be in the majority of cases the first recommended antenna modelling software to hams who ask what they should use. You can then run multiple eznec test cases while autoez automatically changes one or more variables between runs. To install the 4nec2 package, follow the below steps. Intel cpu is required on xp and vista systems but not on windows 7 and later. It also includes stateoftheart 3d visualization and a drawing style structure editor. My upgrade chain of modeling software so far has been.
New modeling objects l networks, transformers, parallel connected loads. Antenna modeling software for the mac henry ott consultants. Can be interfaced to hfwin32 propagation prediction software. Click on the image to the left to see a screen shot from eznec 3.
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. In addition to english default, russian more information about russian mmana available on dl2kqs website. We could say these softwares are user interfaces that handle a data set, namely an antenna geometrie and a. The only difference between the demo and standard programs is that the demo program allows only 20.
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. 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. For antenna modeling software, one of the best programs is nec, which is free and available on most computing platforms. The main category is antenna analysis software that is about software,antenna analysis software, for ham radio operators and hams. Glmom method of moments em field simulator with gui. This is definitely my goto app for all nec antenna modeling for many reasons.
Mar 23, 2015 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. The code is based on the method of moments solution of the electric field integral equation for thin wires. 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. Emcos antenna vlab free student version of mom software with gui. Antenna modelling for complete beginners mmana nec youtube. Eznec and other similar antenna modeling packages, with few exceptions, are wrappers for the nec numerical electromagnetics code engines. Nec 4 the latest version of nec is nec 4, which overcomes most of the shortcomings with earlier codes. Yag files can be converted using the msdos based scale.
The numerical electromagnetics code, or nec, is a popular antenna modeling system for wire and surface antennas. Mmana free software based on mininec from dl2kqeu1tt. But i find this approach quite useful to understand how the issued software works, which is the first step to improved handling of such. Starting eznec modeling 3 ctu, dayton, 2011 the eznec 1 software, created and marketed by roy lewallen, w7el, can be obtained from.
Mmanagal basic a free antenna modeling program based on mininec. Details on how to construct this antenna, both as standalone and as. Early versions of mininec were written entirely in basic and the computation engine source code was published as a pds in mininec version 3. Autoez works in conjunction with the eznec antenna modeling program and allows you to use variables to control diverse aspects of the model. Mininec for windows is antenna modeling tool for the novice, student and hobbyist. 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. Mininec should not be confused with nec, which is a large antenna analysis program written in fortran and designed to run on. Numerical electromagnetics code nec2 unofficial home page.
Our antivirus analysis shows that this download is virus free. Nec 2 method of moments engine with text punchcard interface. Thanks for downloading and reading this definitive guide to the widely popular 4nec2 antenna modeling software. View antenna display, showing the wires making up the model of the fiveelement beam, with currents and 2d slice superimposed to show orientation. 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.
With the proliferation of personal computers and affordable even free software, antenna modeling has become a popular amateur activity. How to produce a nec antenna file and what software to use. To run 4nec2 in ubuntu, i use wine as an installation tool for the reasons i have described in my previous posts. Software beta testing was provided by a group of fellow amateurs. I purchased a license for nec4 from llnl and it integrated seamlessly. The nec simulation model, and sample output, can be found here. Xnec2c a translation of nec2 into c, nec2c, and a gtk2 based gui, xnec2c. Links to software and other information 4nec2 free nec2 software with excellent gui.
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. Antenna modeling software and other utility programs by dan maguire, ac6la autoez automated use of eznec. Especially designed for antenna modelers, 4nec2 is a simple tool for designing, optimizing and verifying 2d or 3d geometry structures. Models can include wires buried in a homogeneous ground, insulated wires and impedance loads. How to produce a nec antenna file and what software to. Mininec pro is an antenna analysis program for windows and macintosh computers. Link here for information and instructions on how to run nec2 in a microsoft windows environment. What do hobbyists use if they have a desireneed to simulate a pcb antenna for say sub 1ghz frequencies. View antenna display, showing the wires making up the model of the fiveelement. Analysis of thinwire structures in the presence of finite ground. 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.
Modeling, a powerful tool in amateur radio, can help you to design antennas and optimize their performances. Click on the image to the left to see a screen shot from eznec v. It also shows where your sources are by representing them with purple circle. Advanced antenna modeling is in every respect the guide to using modeling software for designing, optimizing and evaluating antennas. The best way to get acquainted with eznec is to download the free demo program.
Take a look at my tutorial for describing antennas for wlan deployment. These engines date back to the 1970s, and were written in fortran to run on mainframe computers. Asap antenna scatterers analysis program, is a free general purpose antenna analysis software program for numerical electromagnetic antenna design, modeling and analysis. At first, antenna modeling software is difficult to understand, primarily because of the cartesian coordinate method used. Antenna modeling software and tutorials electrical. You can then run multiple eznec test cases while autoez automatically changes one or more. Details on how to construct this antenna, both as standalone and as a parabolic dish feed can be found at this link. Antenna modelling for complete beginners model your own. Nec lab nec lab is a powerful tool that uses numerical electromagnetics code nec2 and artificial intelligence ai to design 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. Asap a free general purpose antenna analysis useroriented software program for numerical electromagnetic antenna design. Antenna modelling for complete beginners model your own dipole. Most programs using nec include features that run batches of nec calculations to produce a composite output.
It is restricted to antenna elements of a single diameter although some software providers have introduced corrections for linear elements whose diameters varies. This reflects substantial structure changes to the program. Poggio wrote the necmom family of programs at lawrence livermore. Jul 24, 2019 antenna analyzer antenna designer antenna plot antenna analyse analyzer plot new in eznec 5. Antenna analyzer antenna designer antenna plot antenna analyse analyzer plot new in eznec 5. Jul 11, 2019 especially designed for antenna modelers, 4nec2 is a simple tool for designing, optimizing and verifying 2d or 3d geometry structures. Nec was developed by the lawrence livermore national laboratory in the 1970s and is an antenna modelling system for wire and surface antennas. There is also a sample nec model that you can use to test your setup. Best software for ham antenna simulation, time owned. Antenna solver provides much greater flexibility in the construction, analysis, and interpretation of radiating structures using a rewritten nec module. I find the clike programming tool much more flexible and easier to use than the eznecautoez kludge for automatic optimizations. Here are 4nec2 installation steps in ubuntu using wine.
Nec numerical electromagnetic code, written by gerald burke, is a popular antenna modeling code for wire and surface antennas and scatterers. Apr 30, 2017 4nec2 is a free nec numerical electromagnetic code based on antenna modeling and optimization software written by arie voors. If youve been daunted by antenna modeling till now, 4nec2 is a great way to start. Nec4 the latest version of nec is nec4, which overcomes most of the shortcomings with earlier codes. I show you how to model your first dipole, loop and vertical. This window can be brought up at any time by hitting f3. Mmanagal is an antennaanalyzing tool based on the moment method, which was introduced in mininec. Read 38644 times 0 members and 1 guest are viewing this topic. Multinec can then calculate the results for a given scenario or can run multiple test cases while automatically changing the model between runs. Nec2 is a highly capable version of the code which is in the public domain. For a given frequency, the feedpoint impedance is calculated, along with theoretical efficiency. The resource is currently listed in in a single category.
Besides regular improvements, new improvements create the possibility of further improvements of capabilities and services available with the program. Eznec is a powerful but very easytouse program for modeling and analyzing nearly any kind of antenna in its actual operating environment. As indicated by the name, cocoanec uses the cocoa framework of mac os x. The physical design of the antenna is entered such as the lengths of wires and elements. The numerical electromagnetics code, or nec, is a popular antenna modeling system for wire. Nec simulates the electromagnetic response of antennas and metal structures. The main category is antenna analysis software that is about software, antenna analysis software, for ham radio operators and hams. If im too fast for you, sonsider clicking the gear icon normally lower right on a browser and. Over the last two decades, computerized antenna modeling has advanced greatly. Much of my antenna research work is based on systematic antenna modeling in a version of the numerical electromagnetics code nec. Nec24 based antenna modeler, analyzer and optimizer. This is a 3 rd party book and is not connected to arie in any way. Cocoanec free nec software for the mac osx tiger operating system by w7ay. Antenna modeling used to be the domain of scientists and engineers with very.