Sometimes the .gpx file that you obtain from your GPS-Device does not deliver the speed. The file looks like this:
[...]
<trkpt lat="59.4179482758" lon="3.6870684847">
<ele>518.38</ele>
<time>2016-07-17T08:27:18Z</time>
</trkpt>
[...]
The speed is missing.
How is it possible to obtain the speed?
Best Answer
Download GPSBabel - for Ubuntu just use:
With this command you will get a .gpx file of all track points with the speed (meter/second):
EDIT: please see comment by drnextgis - the command requres the addition of ',gpxver=1.0' and should therefore be as below:
The .gpx will look like this then:
It is also possible to obtain other output formats like .csv:
The result will look like this then: