1) Ensure the video is recorded with the GPS turned on and locked to the satellites
2) Import the clip in your GoPro smartphone app
3) Enter the clip edit mode
4) Select the sticker widget
5) Add the desired sticker: Map, Altitude, Speed Chart, Speedometer, G-Force, Path
6) Reposition the sticker by clicking it multiple times
We are also happy to receive many videos of this kind, which you are welcome to send to info@marine-pilots.com (or a link to Dropbox or WeTransfer).