CZMLGroundStation groundStation = new CZMLGroundStation(topocentricFrame, header);
CZMLGroundStation groundStation = new CZMLGroundStation(topocentricFrame, header);
```
```
* A [List of TopocentricFrame](https://www.orekit.org/site-orekit-development/apidocs/org/orekit/frames/TopocentricFrame.html)\>, a [Header](Header) : (**This function can create several groundStation, with each topocentricFrame assigned to each station**)
* A [List of TopocentricFrame](https://www.orekit.org/site-orekit-development/apidocs/org/orekit/frames/TopocentricFrame.html), a [Header](Header) : (**This function can create several groundStation, with each topocentricFrame assigned to each station**)
```Java
```Java
CZMLGroundStation groundStation = new CZMLGroundStation(topocentricFrameList, header);
CZMLGroundStation groundStation = new CZMLGroundStation(topocentricFrameList, header);