They are the same as mininec3 on which the engine is based. Poggio wrote the nec mom family of programs at lawrence livermore labs in 1981, under contract to the us navy. Nec2 was later released to the public and is now available on most computing platforms. Through these software, you can design various types of antennas like yagi, jpole, parabolic, quagi, super scanner, etc. Nec neo microwave equipment introduction slideshare. These files, the rf notebooks, have been distributed through the unofficial nec archives since 1996, but now as.
It is necessary to set to antenna alignment mode when monitor the rx level. About ve3sqb antenna programs the resource is currently listed in in a single category. The authors presentations at the 20 dayton hamvention may be downloaded as pdf files by clicking the following links. Take a look at my tutorial for describing antennas for wlan deployment.
Together verizon and nec, an industryleading microwave radio supplier, installed the 5000s radio system, which is designed for longhaul capacities. Open nec file nec antenna data file extension library. On the other hand, some guidelines to simulate multiband and wideband antennas. Describe your experience with the eznec antenna design software by w7el and tell us why you give it the rating you did required. Antenna gain is the ratio of how much an antenna boosts the rf signal over a.
It runs under windows and can be used to simulate, analyze and optimize wire antennas, beams, verticals, etc. Although antenna modeling is a skill which, like all skills, comes with a learning curve, any motivated radio amateur can learn the basics of eznec with a little patience and modest effort. For questions about how to use eznec in support of the books. It was originally written in fortran in the 1970s by gerald burke and andrew poggio of the lawrence livermore national laboratory. The numerical electromagnetics code, or nec, is a popular antenna modeling system for wire. Jul 11, 2019 especially designed for antenna modelers, 4nec2 is a simple tool for designing, optimizing and verifying 2d or 3d geometry structures. Nec3 does the same but can also model wires buried in the ground or penetrating from the air into the ground. Then a wire meander helix antenna with a new structure had been designed. 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 31122 times. Here is a small collection of eznec files of antennas i have interest in. It can select the modulation method 32qam128qam, by software selection. Only one coaxial cable and automatic equalization very compact and light various mounting methods for idu, odu and antenna easy antenna direction adjustment graphical user interface for installation and monitoring.
The only difference between the demo and standard programs is that the demo program allows only 20. Nec4win nec4win is a 32 bits commercial antenna simulation software based on mininec3 developed by the naval ocean systems center in the 70s and 80s. Four softwares are used for commissioning of different types of nec microwave and one software is used for observing all the sites from the server. Antenna and indoorpropagation simulation program supernec is a hybrid momutd antenna and electromagnetic simulation program, developed by poynting software pty ltd. Best software for ham antenna simulation time owned. 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. Multiple patterns can be superimposed on a single graph for comparison. From this data and these nec files, you can compare the performance between the various models without manufacturer hype. In january, 1998, the arrl board of directors changed the arrl advertisementacceptance policy to permit the advertising of antenna gain figures for antennas whose performance can be accurately modeled using either nec4 or yagi optimizer modeling programs. Nec4 further allows electrically small antennas to be modeled with better accuracy. Get troubleshooting, maintenance and warranty information. The nec file extension is associated with the nec numerical electromagnetics code, a software for antenna modeling wire and surface antennas the nec. Nec2 is written for input data files organized as card decks. Another antenna analysis software alternative to numerical electromagnetic code nec for analyzing insulated or bare thin wire antenna structures over a lossy or perfect groundplane based on the moment method.
Pada pasolink nec v4 terdiri atas dua bagian yaitu hardware dan software. An ebook reader can be a software application for use on a computer such as microsofts free reader application, or a booksized computer the is used solely as a reading device such as nuvomedias rocket ebook. The code was made publicly available for general use and has subsequently been distributed for many computer platforms from mainframes to pcs. The w8io antenna site yagio software 23 march 2016 yagio yagi design by w8io. The main category is antenna analysis software that is about software, antenna analysis software, for ham radio operators and hams. 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.
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. Apr 02, 2019 portrayed below is a complete and selfcontained nec model of one popular form of the endfed halfwave dipole antenna. The code is based on the method of moments solution of the electric field integral equation for thin wires. Antenna modeling tutorials nec modeling is an excellent tool of learning about and designing antenna systems. This link is listed in our web site directory since saturday apr 19 2003, and till today ve3sqb antenna programs has been followed for a total of 12195 times. The physical design of the antenna is entered such as the lengths of wires and elements.
Through the years, improvements were made to both cores. This link is listed in our web site directory since saturday aug 3 2002, and till today 4nec2 antenna modeler has been followed for a total of 29021 times. Super numerical electromagnetic code snec software and. Mmanagal l is an antennaanalyzing tool based on the moment method, which was introduced in mininec version 3. Numerical electromagnetics code nec2 unofficial home page.
Your source for unique arduino, rf, excel, nec, antenna. There is also a sample nec model that you can use to test your setup. 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. As before that punchcards needed to be produced and fed to crude computation machines. The article shows how a helix antenna can be sketched with the 4nec2 software. About necwin pro the resource is currently listed in in a single category.
The pnmt is a mobile laptop computer fitted with nec pnmt software package that interfaces and controls nec pasolink series short haul radio equipment. Vhfuhf long boom, very high performance antenna designs links updated 27 sep 2016. You can also print the results to your windows default printer. In this process you need a pnmt software and a license file. Technicians, engineers, network operators in network operations centers. Nec has been in the forefront of developing and providing highl field proven, reliable wieless backhaul solutions through necs pasolink series of microwave radios, for service providers all over the world. Index terms super nec software, helix antenna, radiation resistance. It contains supplementary information including references and tutorials. Pmon clear downloadconfiguration file program file equipment config.
Eznec was developed to work on windows xp, windows vista, windows 7, windows 8 or windows 10 and is compatible with 32bit systems. Simulation of wire antennas with nec nec numerical electric code is a simulation method for wire antennas developed by the. It is restricted to antenna elements of a single diameter although some software providers have introduced corrections for linear elements whose diameters varies. Nec2 is widely available, even for free, and can model wire structures in free space, especially at hf and vhf. Antenna descriptions and pattern plots are easily saved and recalled for future analysis. Nec2 nec2 is a highly capable version of the code which is in the public domain. It is included in each of the integration form below. See the pattern and antenna currents on the same color 3d display as the antenna. The pasolink network management system, java version, pnmsj provides easytouse monitoring, control, configuration and management of pasolink family radio networks. Getting settled and getting started figure 2an eznec elevation pattern. It is the easiest way that i found to obtain both azimuth and elevation plots. 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.
Nec 4 further allows electrically small antennas to be modeled with better accuracy. Models can include wires buried in a homogeneous ground, insulated wires and impedance loads. 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. How to produce a nec antenna file and what software to. Normally, nec models assume propogation along the z axis. The numerical electromagnetics code, or nec, is a popular antenna modeling system for wire and surface antennas.
Mainly this software is for logging neo and neocompack idu indoor unite. Because in the beginning they were hard paper punchcards. Nec numerical electromagnetic code, written by gerald burke, is a popular antenna modeling code for wire and surface antennas and scatterers. Welcome to nano park and today i will show you how to install pnmt software. To be used with either nec 4 or yagi optimizer modeling programs. Nec projector and monitor download web site which the latest program and users manuals can be downloaded. Wire antenna software free antenna modeling software. This article summarizes some useful advices for efficient antenna simulation with programs based on the nec2 algorithm, developed by the lawrence livermore laboratory. The core module of the antenna control is our satnms acuodm. To download and try the software click upmost two links below on the right. Free download pnmt software download download pnmt software.
This core, named mininec, was severely restricted in terms of antenna complexity, when compared to nec, but produced adequate results for basic antennas when run on home computers. Wb0dgf antenna modeling, lpcad and aprs with cycling. Wb0dgf antenna site antenna modeling links, lpcad and. The advices and rules of design have been collected from the users manuals of some programs and from technical articles about antenna simulation. 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 31122 times. Control and configure pasolink family radio equipment. Abstract in this paper, we can learn what is the snec and how do we do simulation by it. Super nec has a number of builtin antennas that can be very easily constructed. Sections which dont apply to all program types are identified. A floss tool for antenna radiation patterns nikolitsa yannopoulou 1, petros zimourtopoulos2 1antennas research group, palaia morsini, xanthi, thrace, hellas, eu 2antennas research group, department of electrical engineering and computer engineering, democritus university of thrace, v. Antenna modeling links, stealth antennas, lpcad, yagio and huskers.
The spreadsheet and dialogue box interface is similar to necwin pro, described below under nec2. To be used with either nec4 or yagi optimizer modeling programs. Click here for an offsite explanation of various electromagnetic and antenna modeling techniques including the moment method. Contact nec before program download on the lct is performed. This is a free gpl electromagnetic simulation software compatable with nec2.
Antenna modeling files american radio relay league. April and nec network engineer mark cowles worked together to test the procedures in necs lab in manassas, va, and make sure the transition worked without a glitch. To do this, advertisers submit their antenna models for verification by the arrl laboratory staff. My experience has been that a well designed, 3element triband quad has. Of coarse it is the same mechanism with mininec based frontends i. 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. Four softwares are used for commissioning of different.
What do hobbyists use if they have a desireneed to simulate a pcb antenna for say sub 1ghz frequencies. Mininec pro antenna analysis software black cat systems. The 5000s has proven to be a very stable and reliable system and is used around the world for transporting tdm traffic. The introduction states that the numerical electromagnetics code nec2 is a useroriented computer code for the analysis of the electromagnetic response of antennas. The following material supports the book antenna modeling for beginners. Feedback alarm and its troubleshooting for improvement of. After proper installing the software using license file you. Nec has been in the forefront of developing and providing high field proven, reliable wireless backhaul solutions through necs pasolink series of microwave radios, for service providers all over the world. Pnmtj monitors and controls the selected network elements, together with its opposite side of the link in a fashion similar to that in the pnmsj. View antenna display, showing the wires making up the model of the fiveelement beam, with currents and 2d slice superimposed to show orientation. But it is only a small fraction of all the files i have produced. North america support only japan for business japan for home monitors lcd,pdp,crt asia pacific japan. Pasolink network management system version java nec.
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. This manual has been written to cover all program types, both standard eznec and professional. Allowing smaller antennas and reducing system cost. The program use the mininec3 engine modified by alexandre schewelew, dl1pbd, and are. 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. This site is your download source for a set of microsoft excel 2007 files covering all aspects of antenna design. Please use the search if you cant find the information. The resource is currently listed in in a single category.
I try to simulate every antenna i get in my fingers. Having had a gem quad hf 201510m for a few years, back in the early 80s, i can testify to the quads slight advantages over a tribander yagi with the same number of elements. The best software for antennas design as far as i know, hfss and cst are well known, for all types. Dec 14, 2019 the most popular versions among the software users are 5. You can save these designs in 5 different formats yio used by yagio, nec used by 4nec2, yag yo, mma mmanagal and yc6 used by yagicad. Our focal software, nec2 is neither the newest nor the oldest modeling software. Installation and operating training for nec s pasolink nms system.
Link here for information and instructions on how to run nec2 in a microsoft windows environment. The main category is antenna analysis software that is about software,antenna analysis software, for ham radio operators and hams. The name gnec is an abbreviation of the project title gnunec, which is itself an acronym standing for gnu is not unix, numerical electromagnetic code referring to the nec2 documentation, part i. Yag files can be converted using the msdos based scale. Mar 06, 2015 together verizon and nec, an industryleading microwave radio supplier, installed the 5000s radio system, which is designed for longhaul capacities. Nec software can be obtained for free or at relatively low cost. This video will help you for offline commissioning of nec pasolink microwave. Nec24 based antenna modeler, analyzer and optimizer. The basic source code of the computation engine is published as a pds in mininec. Antenna simulations with 4nec2 including an application. Snec software is one of a specific for antenna design and simulation.
Equipment setup, provisioning and maintenance by using pnmt and lct tool. Details on how to construct this antenna, both as standalone and as. Followed by the construction of a sample antenna, measuring its characteristics and comparison with the simulation. Nec win pro antenna analysis software with the user in mind. What is the best software used for antenna design and simulation. Introduction the starting point for this tutorial is the helix antenna. May, 2015 this video will help you for offline commissioning of nec pasolink microwave. Sep 29, 2017 mainly this software is for logging neo and neocompack idu indoor unite. Four software s are used for commissioning of different types of nec microwave and one software is used for observing all the sites from the server. Feedback alarm and its troubleshooting for improvement of microwave link. The test drive tutorial in the extensive users manual is the easiest and best way to get started. The following ipasolink series cover mobile backhaul requirements all the way from the access tail links through to the metro aggregation network.
You will get used to using the gm card to rotate your models around the axes. Mininec pro is an antenna analysis program for windows and macintosh computers. 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. Nec model library 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. Nec traces its history to an earlier program, bract, which was used to analyze antennas consisting of many thin wires in free space. Nec simulates the electromagnetic response of antennas and metal structures. Antenna maker antenna design program for quads, yagis, inverted vees, jpoles, trap dipoles and more. The satnms acu product family covers antenna control that means its applications range from positioner only applications up to a full featured adaptive steptrack system. If you have not yet got your feet wet in this educational and interesting area of amateur radio these articles by l. Nec microwave, especially with regard to acknowledgments and troubleshooting. Pnmtpasolinkoperation manual button computing microsoft.
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