[Fish]

shows you how to get it going, others complained it is poor, it does not work etc. simple to the point

 

[phelps52308]

The GPS chip in my Hero7 Black is quite accurate.
I use Race Render 3 software to pull the GPS track off my videos to be able to show on Garmin BaseCamp where I took the video clip.
These tracks lie right on top of my GPS receiver tracks.