# Reference stations

The Reference Station dropdown list in the project window allows the user to [configure GNSS reference station parameters](https://docs.phoenixlidar.com/lidarmill-desktop/post-processing/workflow-kk/trajectory-processing/navlab-trajectory-processing-and-upload/configure-reference-station) prior to [Navlab Trajectory processing](https://docs.phoenixlidar.com/lidarmill-desktop/post-processing/workflow-kk/trajectory-processing/navlab-trajectory-processing-and-upload/navlab-processing). 

* Click [here](https://docs.phoenixlidar.com/lidarmill-desktop/post-processing/workflow-kk/uploading-files/gnss-reference-station) to jump to Loading Reference station file

![](/files/-Ma-Acd4zWHcnsWNjJPB)

Tools List from Left to Right:

* **Configure Reference Station**
* **Import the Reference Station**
* **Remove Selected Reference Station**


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