# Tutorial: Horn Antenna

### From openEMS

**Download**the latest matlab file using Github: Horn_Antenna.m**Simulation Time**: < 10 min**Far-field calculations**: ~ 1 hour

## This tutorial covers:

- setup horn antenna using transformated linear extruded polygons
- setup a rectangular feeding port
- adding a near-field to far-field (nf2ff) box
- calculate the S-Parameter of the antenna
- calculate and plot the far-field pattern