After watching both full flights, I can see the paths were very different between the two throughout the flights. . I will have to review the waypoint missions when I get my drone back to see if there's any explanation for this.
Are you sure you did not change anything in the waypoint mission. Even with the drone's GPS inaccuracy of 1 to 5 meters or more in some cases, the flights are not lining up with each other at all. I have done waypoints with non-RTK drones and for...
Waypoint mission are repeatable and pretty accurate. The only pitfall in your plan is if you intend to get close to an object be mindful that you need to launch the drone from the same location. The elevation of the drone is bases on the launch...
I’d be flying the done out far enough to get the vertical (if the drone can alter its camera to portrait orientation do that) framing I want and then fly the drone sideways in a straight line along the beachfront taking overlapping shots. Don’t...