52 lines
1.6 KiB
Markdown
52 lines
1.6 KiB
Markdown
# 4nec2-web Example Antennas
|
|
|
|
A curated collection of antenna models for the [4nec2-web](https://4nec2-web.supported.systems) 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:
|
|
|
|
```nec
|
|
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:
|
|
1. Include descriptive CM comment lines
|
|
2. Add `@category`, `@band`, and `@tags` metadata
|
|
3. 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.
|