1. With your GPS device, record your GPS position track to a GPX/Kml/Nmea file
  2. Go to submit page by clicking on:

    Submit a track

  3. Choose the file containing your track:

  4. Choose an activity:

  5. Submit your track:

  6. Get a view of your track, and:
    • If you selected a wind-related activity, you will get directional figures such as VMG, polar, ...

      PS: Do not forget to check the wind direction detected by the software. It can be changed if it is wrong or in case of changing wind

    • If you selected a ground or air activity, you will get vertical figures such as vertical speed, ...