It was originally written in fortran in the 1970s by gerald burke and andrew poggio of the lawrence livermore national laboratory. The following files and links point to necaoyo models of various ham antennas that i have simulated andor tested over the past 30 years as an antenna designer. Calculating nec or eznec models with a mininec engine. Aug, 2019 nec wins major microwave contract nec australia, a wholly owned subsidiary of nec corporation and a leading australian ict solutions and services firm, have been selected to supply ipasolink microwave radio equipment and professional services for one of the largest t1 mobile operators in australia. Mininec pro is an antenna analysis program for windows and macintosh computers.
Best software for ham antenna simulation time owned. I already had 2 almost new antenna rotors, a kenwood and a diawa multimotor plus a random length of 8 conductor rotor cable. Ac6la antenna utilities a collection of commercial antenna utilities. If it expires, try changing the date from the control panel and it will work again. Yag files can be converted using the msdos based scale. The spreadsheet and dialogue box interface is similar to nec win pro, described below under nec 2. Mmanagal pro a commercial modeling package, up to 45000 segments.
The numerical electromagnetics code, or nec, is a popular antenna modeling system for wire. Galana a commercial antenna modeling package based on nec2 and mininec. Nittany scientific produces a windows version of nec2 called necwin plus, which features a true spreadsheet geometry construction page set with. Most programs using nec include features that run batches of nec calculations to produce a composite. Super numerical electromagnetic code snec software and. Multiple patterns can be superimposed on a single graph for comparison. Mininec for windows is antenna modeling tool for the novice, student and hobbyist. The resource is currently listed in in a single category. Acehf system simulation and visualization software, v2. Eznec was developed to work on windows xp, windows vista, windows 7, windows 8 or windows 10 and is compatible with 32bit systems. Jpole antenna is pretty easy to build and usually designed by amateur radio operators through this software, you can easily find out four important parameters to build this antenna namely, radiator length, driven stud length, gap space, and feedpoint. Then a wire meander helix antenna with a new structure had been designed and simulated. As well, necwin plus can directly access necwin synth and receive synthesized wiregrid structures directly into its wire table. Gnec a commercial nec package with a graphical user interface.
For a given frequency, the feedpoint impedance is calculated, along with theoretical efficiency. About necwin pro the resource is currently listed in in a single category. Figure 6the necwin plus screen for introducing a mathematical transmission line into a model. Software that open nwp file necwin plus proprietary file format. To be used with either nec4 or yagi optimizer modeling programs. Jul 28, 2018 maintains a library of mmanagal antenna files that all mmanagal users should. Through these software, you can design various types of antennas like yagi, jpole, parabolic, quagi, super scanner, etc. Wb0dgf antenna site antenna modeling links, lpcad and. Here is a list of best free antenna design software for windows. Details on how to construct this antenna, both as standalone and as. See the pattern and antenna currents on the same color 3d display as the antenna.
Nec 4 further allows electrically small antennas to be modeled with better accuracy. 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. Antenna analysis program for windows and macintosh computers. The main category is antenna analysis software that is about software,antenna analysis software, for ham radio operators and hams. Unique to necwin plus is a complete spreadsheet modelbyequation facility for the. Necwin plus an antenna computermodeling program that is designed for a wide range of users. North america support only japan for business japan for home monitors lcd,pdp,crt asia pacific japan. An alternative tutorial geared to necwin plus is basic antenna modeling. One of the great features of acehf is the ability to match the simulated antenna system to your actual setup or the one you are thinking of buying. Antenna solver is a product of grating solver development co.
In the spring of 20 i decided to begin work on building the 8 foot tall roof tower, similar in construction to the glen martin rt832. Nec4win mininec software nec4win95 do not order from kagi. It has the advantage of running many times more quickly than generalpurpose programs such as. 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. Please use the search if you cant find the information. Online certification and continuing education course for learning how to model antenna systems using necbased antenna modeling software eznec, necwin plus, et al. To be used with either nec 4 or yagi optimizer modeling programs. The nec files may be used with any of the nec2 or nec4 programs such as 4nec2, gnec or cocoanec, however some of them with tapered elements may only be simulated accurately by nec4. You can even simulate a new antenna using the compatible necwin plus software.
Wb0dgf antenna site antenna modeling links, lpcad and aprs. Easy geometry entry spreadsheet like interface full support for variables and equations. W7el necwin plus, necwin pro, gnec nittany scientific now out of business nec4win95 do not order from kagi. This powerful nec2 antenna modeling program contains most of the wire structure and control input. Windows bata build 14905 will not load my ideaworks usb wireless adapter. How to produce a nec antenna file and what software to. A well known commercial necbased antenna modeling package. Details on how to construct this antenna, both as standalone and as a parabolic dish feed can be found at this link. Nec model library the link points to nec aoyo models of various ham antennas that i have simulated andor tested over the past 38 years as an antenna design engineer. Yw is a specialpurpose program, designed strictly for monoband yagis. The bold dots indicate a change from one component wire to the next in the overall element. Dec 14, 2019 eznec was developed to work on windows xp, windows vista, windows 7, windows 8 or windows 10 and is compatible with 32bit systems.
Mininec pro antenna analysis software black cat systems. How to produce a nec antenna file and what software to use. S nec software is one of a specific for antenna design and simulation. Models can include wires buried in a homogeneous ground, insulated wires and impedance loads. 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. Wire antenna software free antenna modeling software. It is restricted to antenna elements of a single diameter although some software providers have introduced corrections for linear elements whose diameters varies. Nec24 based antenna modeler, analyzer and optimizer. Nec 2 nec 2 is a highly capable version of the code which is in the public domain.
New mininec free expert mininec classic software bad link. The code was made publicly available for general use and has subsequently been distributed for many computer platforms from mainframes to pcs. Nec4 further allows electrically small antennas to be modeled with better accuracy. For more advanced users of nec2 and nec4, nsi is releasing intermediate antenna modeling. Supernec summary supernec is a hybrid method of moment mom unified theory of diffraction utd antenna simulation software program based on nec2, designed and developed by dr derek nitch and dr andre from poynting software. Figure 1a necwin plus azimuth pattern for a dipole at 70 feet above average ground at 7.
Figure 7a standard use of a transmission line between the antenna. The user interface, graphical editing features, and data display capabilities allow analysis of antenna patterns, of near, far, and groundwave fields, as well as currents and charge densities. View antenna display, showing the wires making up the model of the fiveelement beam, with currents and 2d slice superimposed to show orientation. Finally, it is advisable to check the references below. The code is based on the method of moments solution of the electric field integral equation for thin wires. Nec2 nec2 is a highly capable version of the code which is in the public domain. Nec successfully demonstrates realtime digital oam mode multiplexing transmission in the 80ghzband for the first time nov. The spreadsheet and dialogue box interface is similar to necwin pro, described below under nec2. 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 315 times. With a few simple point and clicks, users will immediately create complex structures for analysis. High quality smart radio solution the growing adoption of 4g and beyond mobile wireless services, is challenging the mobile service providers with the need of rapidly deploying high speed, flexible, scalable and highly reliable backhaul with capex and opex optimized for ensuring least tco total cost of ownership and high network performance. Nec releases nec multiband radio solution white paper dec. Windows versions of eznec software are under development. Each antenna design software is slightly different from each other as each software design some specific types of antenna.
Link here for information and instructions on how to run nec2 in a microsoft windows environment. Necwin plus, necwin pro, gnec nittany scientific now out of business. It has the advantage of running many times more quickly than generalpurpose programs such as nec but it has some attendant limitations. Necwin plus handles up to 9,999 segments subject to operating system limitations. Nec win plus uba royal belgian amateur radio union. There is also a sample nec model that you can use to test your setup. Click here for an offsite explanation of various electromagnetic and antenna modeling techniques including the moment method. Nec expands broadband availability in sweden with the ipasolink exadvanced radio. Necwin plus or raw nec, we create a new short 1 segment thin wire that is figure 5the eznec screen for introducing a mathematical transmission line into a model.
This powerful nec2 antenna modeling program contains most of the wire structure and control input features that the majority of antenna designers need for developing better antennas. I use the ideaworks jb6612 long distance wifi antenna to get internet access. And other em electromagnetic modelling software based. Nec win plus, nec win pro, gnec nittany scientific now out of business. Erp calculator plus erp calculator is an amateur radio software utility. New software and book release by nittany scientific. Take a look at my tutorial for describing antennas for wlan deployment. The numerical electromagnetics code, or nec, is a popular antenna modeling system for wire and surface antennas. Nec numerical electromagnetic code, written by gerald burke, is a popular antenna modeling code for wire and surface antennas and scatterers. Spirit telecom selects necs 10gbps radio solution nov. Intel cpu is required on xp and vista systems but not on windows 7 and later. Figure 2a necwin plus wire spreadsheet for the 3piece dipole, showing the wire coordinates and other details of the model.
Maintains a library of mmanagal antenna files that all mmanagal users should. There are other, non nec or mininec kernel based programs. Antenna descriptions and pattern plots are easily saved and recalled for future analysis. The main category is antenna analysis software that is about software, antenna analysis software, for ham radio operators and hams. Beezleys yo or ya programs and with necbased programs, such as eznec, necwin plus or nec4. Snec software is one of a specific for antenna design and simulation.
It is used to design jpole antennas for the desired frequency. Numerical electromagnetics code nec2 unofficial home page. 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 315 times. Nice almost free collection of antenna modeling utilities. 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. Can be interfaced to hfwin32 propagation prediction software. The computer i use for the insider program is located some distance from my router. 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.
Unofficial nec archives huge amount of nec related software, sources, documents and other utilities for a large variety of platforms. To download and try the software click upmost two links below on the right. Get troubleshooting, maintenance and warranty information. Antenna modeling links, stealth antennas, lpcad, aprs. The physical design of the antenna is entered such as the lengths of wires and elements.
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