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.
You can create data models and deploy accurate changes to data structures.
Deploys changes to one or more to databases and creates database structures.
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