Ahhhhhh
Now that makes perfect sense, thanks!
I couldn’t work out why there would be noticeable latency with additional distance as, all things being equal, there should be no noticeable time difference in a packet being delivered to my laptop in the U.K. whether it it routes via China or London.
So this is why you need to connect to the geographically nearest server, because it needs to lock onto the same satellites as the client…?