Embarrassingly, I can’t remember how to do this…
I recall that there is a way to display the flightpath portion on the map when selecting a section of the parameter plot. This allows showing the place on the aircraft’s flightpath where the data display represents.
I use both Mission Planner and Mav Explorer - so it might have been possible with either one of these programs - but I’m pretty sure it was Mission Planner.
I’d appreciate anyone who could jog my memory. Thanks!