How Does GPS Work? | NASA Space Place – NASA Science for Kids
spaceplace.nasa.gov
We all use it, but how does it work, anyway?
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The original was posted on /r/todayilearned by /u/manamonggamers on 2025-06-14 03:25:16+00:00.

Original Title: TIL: GPS satellites don’t ever actually interact with GPS devices at all. 31 US satellites simply broadcast their position non-stop and GPS devices triangulate their own position using the location of 3 “nearby” satellites.

  • Allero@lemmy.today
    1·
    1 month ago

    Yep. It would take a lot of energy and a decent antenna to send something back to the satellite, which isn’t necessary in the first place