3D Antenna Patterns
![](../../../../../images/winprop/user_guide/aman/introduction/coordinate_system_3d.png)
Figure 1. Coordinate system for 3D antenna patterns.
Figure 1 shows the coordinate system used in WinProp for the 3D display of antenna patterns. The main direction of radiation is = 0° and = 0°.
![](../../../../../images/winprop/user_guide/aman/introduction/kathrein_k739856_3d.png)
Figure 2. 3D display of K739856.
![](../../../../../images/winprop/user_guide/aman/introduction/image31.png)
Figure 3. Vertical plane radiation pattern of K739856.
![](../../../../../images/winprop/user_guide/aman/introduction/kathrein_k739856_horizontal.png)
Figure 4. Horizontal plane radiation pattern of K739856.