4nec2-web Example Antennas
A curated collection of antenna models for the 4nec2-web antenna modeling application.
Categories
| Folder | Description | Count |
|---|---|---|
simple/ |
Basic antenna designs for beginners | 4 |
vertical/ |
Ground-plane and vertical designs | 4 |
beam/ |
Directional antennas with gain | 4 |
loop/ |
Quad loops and delta configurations | 2 |
wideband/ |
Broadband and specialized designs | 2 |
File Format
All files use the standard NEC2 input format with extended metadata in comment cards:
CM Half-Wave Dipole for 20m Band
CM Simple horizontal dipole in free space
CM @category: simple
CM @band: 20m
CM @author: 4nec2-web
CM @tags: dipole, beginner, hf
CE
Metadata Fields
| Field | Description |
|---|---|
@category |
Folder/grouping (simple, vertical, beam, loop, wideband) |
@band |
Primary operating band (20m, 2m, HF, VHF, etc.) |
@author |
Design attribution |
@tags |
Comma-separated search keywords |
Adding Your Own Collection
4nec2-web supports adding custom antenna collections from any git repository. Simply add your repo URL in the app's collection manager.
Contributing
Pull requests welcome! Please ensure your .nec files:
- Include descriptive CM comment lines
- Add
@category,@band, and@tagsmetadata - Are tested in the 4nec2-web simulator
License
These example files are provided for educational purposes. Many designs are based on classic antenna configurations in the public domain.