> For the complete documentation index, see [llms.txt](https://docs.sky-drones.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.sky-drones.com/flight-operations/smartap-gcs/processing-the-logs.md).

# Processing the Logs

Log files are stored on the SD card as binary files and they're encoded for security reasons. However, you can extract the data and view it in a understandable text format (CSV format which can be later exported in XLS, Matlab, or anything else for post-processing and analysis).

You'll need to use the following Python script: [ulog2csv.py](http://sky-drones.com/download.php?file=ulog2csv.zip)

{% hint style="info" %}
 Python should be installed on your computer.
{% endhint %}

If you don't have Python, you can download it here <https://www.python.org/downloads/>, version 2.7.

To export the log, follow these simple steps:

* Open command line
* Go to the folder where " ulog2csv.py " script is located `cd /path/to/script`
* Execute the command:

  `python ulog2csv.py filename.ulg`&#x20;

  (**filename.ulg** is the path to the log file)&#x20;
* You'll see the folder will all log messages split in separate files

For instance, if you're interested in GNSS (GPS/GLONASS) data you would need **GNSS\_REPORT.csv** file.


---

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