Example Overview
This example shows a completed rectangular horn model to familiarise yourself with the Feko components and workflow. The main elements and terminology in the CADFEKO and POSTFEKO graphical user interface are discussed.
![](../../../../images/feko/getting_started_guide/horn_rectangular/view_horn.png)
Figure 1. Illustration of the horn antenna.
Find the short demo video in the Altair installation directory, for example:
Altair/2021/help/feko/videos/DemoExample.exe for Windows and
Altair/2021/help/feko/videos/DemoExample.html for Linux.