Wie funktioniert GPS?

Whole-channel inclusion: Physik - simpleclub is an honest teaching channel (title sample + 3 transcripts read: All sampled videos lack transcripts, so the channel verdict defaults to the title-sample assessment of consistent educational physics content.); this title passed a strict title check (sonnet) after a labelling pass.

A 4-minute video from Physik - simpleclub: “Wie funktioniert GPS?”.

Video by Physik - simpleclub, played through YouTube's embedded player.