Already you're mixing things up again.
The importer is buying the product from China. He's the buyer, and China is the seller. The buyer importing the product pays the tariff, not China.
If the importer then chooses to resell the product to...
Isn't that a little like saying, "I'm from the US and rock & roll was invented in the US and I've listened to it for years. So no one from any other country can tell me anything about rock & roll?"
Because the only way anyone could possibly understand how things work in the USA would be to live in the USA.
(Unless you were to avail yourself of the wonders of modern communications).
100% certain.
I've owned and flown the Phantoms 2, 3 and 4 series, all of which had selectable Atti Mode.
I used Atti Mode a lot and have flown at 68.7 mph with a good tailwind.
It won't take you long to test that idea.
The too things would be the recorded data from the problematic flight and data that shows the flight that was intended.
I haven't used DJI's waypoint feature, but have used Litchi's.
I can only imagine that they work in the same way.
There's...