Your source for unique arduino, rf, excel, nec, antenna. Mininec software is powerful, but you need to know its limitations. See the link to the lb cebik website in the preceding section. About nec win pro the resource is currently listed in in a single category. Software beta testing was provided by a group of fellow amateurs. The patchsize reduction is achieved by cutting four equally spaced slits at the boundary of the circular patch. How to produce a nec antenna file and what software to use it with.
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. Cocoanec free nec software for the mac osx tiger operating system by w7ay. Nec is widely used for modeling antenna designs, particularly for common designs like. Nec has been in the forefront of developing and providing high field proven, reliable wireless backhaul solutions through nec s pasolink series of microwave radios, for service providers all over the world.
Of coarse it is the same mechanism with mininec based frontends i. 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. That was fine during my first quarter of century as a ham radio operator and antenna enthusiast. The following files and links point to nec aoyo models of various ham antennas that i have simulated andor tested over the past 30 years as an antenna designer. Arrl antenna book includes a collection of eznec models as well as eznecarrl, a limited free version of the current eznec software with somewhat more capability than the demo version. 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. Software version author, type of yagi design, inputopenimport file formats, saveexport file formats, price. Other useful information would include your experience with similar products, infomation on a product that you would purchase instead of this one, and so on. Wb0dgf antenna site antenna modeling links, lpcad and.
Details on how to construct this antenna, both as standalone and as a parabolic dish feed can be found at this link. Asap antenna scatterers analysis program, is a free general purpose antenna analysis software program for numerical electromagnetic antenna design, modeling and analysis. What is the best software used for antenna design and simulation. After a few designs have been simulated, it is usually appropriate to copy, rename, and modify an existing design rather than starting from scratch. But, now in my sixties, i feel i need to make more efficient and effective use of my time. This site offers a free interactive design page to let hams design yagi antennas for hf, vhf. The target is to have an end program working which can either pick from a library of known antennas or develop its own based on your specific parameters yard size, height restriction, number of support points, materials available, swr requirement any help would be appreciated. M mana is an antenna analyzing tool based on the moment method introduced in mininec mini numerical electromagnetics code version 3. May 20, 2016 hfsss microstrip patch antenna design part1basics of antenna design using hfss software duration. Describe your experience with the eznec antenna design software by w7el and tell us why you give it the rating you did required. Wire antenna software free antenna modeling software. Software and antenna simulation international journal of machine. Antenna web design studio free download and software.
Nec24 based antenna modeler, analyzer and optimizer. The nec files may be used with any of the nec 2 or nec 4 programs such as 4nec2, gnec or cocoanec, however some of them with tapered elements may only be simulated accurately by nec 4. Yagi calculator is a free antenna design and analysis software for windows. Numerical electromagnetics code nec2 unofficial home page.
Full text of some antenna modeling programs see other formats some antenna modeling programs l. 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. These files, the rf notebooks, have been distributed through the unofficial nec archives since 1996, but now as xlsm files direct from the author via these pages. The numerical electromagnetics code, or nec, is a popular antenna modeling system for wire and surface antennas.
Is there any free software where i can design a microstrip. In complex antenna models, the variable name can be reused in multiple locations. A number of features are available on the left side of the screen, and exploration is encouraged. Antenna simulations with 4nec2 including an application example for 2300mhz presentation made by gunthard kraus, dg8gb, at the radio amateur meeting at munich 1032018 1.
Applied computational electromagnetics society home page. Jul 11, 2019 especially designed for antenna modelers, 4nec2 is a simple tool for designing, optimizing and verifying 2d or 3d geometry structures. Yag files can be converted using the msdos based scale. A page showing some of the antenna modeling software out there a person can. It is true that 4nec2 is a bit nonintuitive when it comes to creating a new antenna, but it is easy to start from scratch and create anything, without the need to. Jpole is a free and portable antenna design software for windows.
S nec software is one of a specific for antenna design and simulation. The program provides ability for changing the language of signs and messages of the program. Eznec pro uses its own easytouse antenna description file system which has been proven by a large number of eznec and eznec pro users, although it is able to both read to a limited extent and write nec format files. Emistream and pistream is a registered trademark or trademark of nec informatec systems, inc. Best software for ham antenna simulation, time owned.
Much of my antenna research work is based on systematic antenna modeling in a version of the numerical electromagnetics code nec. Antenna modeling eznec tutorial by greg ordy, w8wwv for intermediate users. The numerical electromagnetics code, or nec, is a popular antenna modeling system for wire. Amateur radio antenna development software nec page 1. This site offers a free interactive design page to let hams design yagi antennas for hf, vhf and. Snec software is one of a specific for antenna design and simulation. Source code and windows executables are available to download. Autoez works in conjunction with the eznec antenna modeling program and allows you to use variables to control diverse aspects of the model. Is there a free piece of software that will make a nec file for a simple quarter wave whip antenna.
It was originally written in fortran in the 1970s by gerald burke and andrew poggio of the lawrence livermore national laboratory. The plotting of current and patterns were designed to be rather straight forward. Simulation of wire antennas with nec nec numerical electric code is a simulation method for wire antennas developed by the. The demo version of the software is fully functional and more than adequate for most ham radio antenna design needs. Because in the beginning they were hard paper punchcards. Antenna web design studios pixel accurate, drag and drop environment gives you freedom to concentrate on aesthetics and design, while powerful features such as. Not much of the works, especially in terms of publicly available software, can be effectively applied to general antenna design problems in the presence of electrically large and complex. Wb0dgf antenna site antenna modeling links, lpcad and aprs. File open 4nec2 inoutputfile 4 step 3 takes you to a folder where there are many in built design. I decided to investigate antenna design software because i was tired of the traditional cutntry method. Mininec pro is an antenna analysis program for windows and macintosh computers. Nec tutorial 1 download the folder 4nec2 from the class website.
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. For antennas design, the first choice of the software depends on the geometry of the antenna. It is restricted to antenna elements of a single diameter although some software providers have introduced corrections for linear elements whose diameters varies. If the antenna is planar with an infinite ground for me, the best one and quick one in simulation is. Analysis of thinwire structures in the presence of finite ground.
Best software for ham antenna simulation time owned. You can then run multiple eznec test cases while autoez automatically changes one or more variables between runs. As before that punchcards needed to be produced and fed to crude computation machines. Yagio runs under windows 2000, xp, vista, win 7 and likely win 8. Mininec pro antenna analysis software black cat systems. Nec 4 the latest version of nec is nec 4, which overcomes most of the shortcomings with earlier codes. The main category is antenna analysis software that is about software, antenna analysis software, for ham radio operators and hams.
Nec2 is a highly capable version of the code which is in the public domain. Mininec should not be confused with nec, which is a large antenna analysis program written in fortran and designed to run on mainframe computers. How to produce a nec antenna file and what software to use. Eznec pro incorporates somnec for a complete nortonsommerfeld. Super numerical electromagnetic code snec software and. Antenna simulations with 4nec2 including an application. What is the best software used for antenna design and. An html version of the users manual for nec has been created by peter richeson. Hi guys, im in active development of revamping the numerical electromagnetics code and its front end.
The length of this antenna in relation to wave length is very small, in addition to this antenna have a high radiation resistance and low imaginary resistance. A new design of reducedsize, dualfrequency circular microstrip antenna is presented. The physical design of the antenna is entered such as the lengths of wires and elements. Using the new tlw software bundled with recent editions the arrl antenna book. Help file covering the use of the mininec antenna modeling program. Then a wire meander helix antenna with a new structure had been designed and simulated. The following brief notes will provide links to known antenna modeling software providers. Nec simulates the electromagnetic response of antennas and metal structures. Nec traces its history to an earlier program, bract, which was used to analyze antennas consisting of many thin wires in free space. For a given frequency, the feedpoint impedance is calculated, along with theoretical efficiency. Yagio is similar to lpcad, it uses keyboard commands instead of a mouse menu. To download and try the software click upmost two links below on the right.
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