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 and/or compare near/far-field radiation patterns for both the starting and experienced antenna modeler.

When running frequency sweeps, linear or logarithmic style SWR, Gain, F/B-ratio and impedance line-charts are produced. With the included Optimizer and Sweeper one is able to optimize antenna- and/or other environment-variables for Gain, resonance, SWR, efficiency and/or F/B, F/R-ratio. With the sweeper one is able to graphically display the effect of changing one or more of these variables for a specified range of values/frequencies.

Nec4 Antenna Software Download

NEC4WIN is a 32 bits commercial antenna simulation software based on MININEC3 developed by the Naval Ocean Systems Center in the 70s and 80s. English grammar worksheets for grade 2. It runs under Windows and can be used to simulate, analyze and optimize wire antennas, beams, verticals, etc. NEC4WIN has limitations. They are the same as Mininec3 on which the engine is based. Mastin labs fujicolor present download torrent download. The main category is Antenna analysis software that is about software,antenna analysis software, for ham radio operators and hams. 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 31361 times. The only difference between the demo and standard programs is that the demo program allows only 20 segments, which limits the complexity of antenna you can analyze. 6.0 allows 500 segments, and EZNEC+, 2000.). Electromagnetics Code or NEC is publicly available for general use and is available for personal computers running Windows, Linux, and macOS. The public version is NEC-2 (www.nec2.org). An updated version, NEC-4, is only available as a compiled binary program under license agreement with LLNL and is best-known to amateurs in the EZNEC-Pro software.

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For the starting modeler a graphically based 3D geometry-editor is included which requires no additional NEC knowledge while still enabling you to create and visualize and compare current-distribution, far/near-field patterns and Gain/SWR charts. More experienced modelers can use the gradient style and/or the genetic algorithm based optimizers to improve their designs.

Nec 4.2 Antenna Software

To list some of its features or see some screenshots, click the appropriate links below on the left. To download and try the software click upmost two links below on the right (setup.exe) or the third link for a single zip containing all separate files.

4Nec2 features

Graphical 2D and 3D visualization of Far- and Near-field data and Geometry strutures (including circular polarization view).
Line-chart visualization for freq-sweep Gain, F/B, F/R, SWR and impedance data.
Drag and drop style Geometry Editor to assist the starting antenne modeller.
Full Nec2 and Nec4 command support, including GX, GM, GR, GA, GH and surface patches.
Capable of running up to 11000 wires and/or segments (limited by the max of 2Gb of windows on-board memory)
Support for inclusion of surface-wave component in far-field data.
3D geometry display for surface patches included.
Variable substitution included for complete Nec2/4 command set enabling you to model by equation.
Sophisticated real-time 3D geometry and pattern viewer showing real wire-radius.
AO-style gradient/hill-climbing optimizer included.
Genetic Algorithms based optimizer included.
Automatic variable sweeper with line-chart output.
Automatic convergence tester with line-chart output.
Interactive Smith chart visualization for freq-sweeps.
Integrated Sommerfeld ground calculations with frequency-sweep.
Automatic generation of VOACAP propagation prediction type 13 and –14 antenna files.
Automatic coversion of AO (.ant)and EZnec (.ez)input files.
‘Insulated-Wire’ and ‘LC-trap’ loading-types included.
Automatic conversion for feet, inch, #awg to meters and elevation/azimuth to phi/theta and reverse.
Batch processing for automatic testing, calculation and/or conversion of multiple Nec, AO and/or EZnec input-files.
Extensive segment- en geometry validation, such as: Intersecting volumes, Short/thick wires at sharp angle, Unequal segmentation for parallel wires, Too low hight, Large radius or length changes at junctions, etc.
Screen grabber for easy cut/paste, print or save parts of the screen, window or form.
Geometry builder to create cylindric, patch, plane, box, helix and parabola shaped structures using auto-segmentation and/or equal-area rules.
Automatic generation of Stub-, L-, Pi- and Tee-matching-networks (low- and high-pass)
Visualization of circular polarization components E(left) and E(right) for far-field.
EZnec style MiniNec ground included.
Capable of running the default Lawrence Livermore National Laboratories Nec4 engine.
Running on all systems from early Windows-95 to latest Windows-Vista
More than 450 example files
Context sensitive Help-file.
Completely free.

Nec 4 Antenna Software

Screenshot

For Download This Software Goto http://home.ict.nl/~arivoors/