<prompt> Ka kopo hlalosa ka lipolelo tse tharo hore na GPS navigation system e sebetsa joang.nan  <response>: Instruction in English: Please explain in three sentences how a GPS navigation system works. . Response in English: A GPS navigation system works by receiving signals from a network of satellites in Earths orbit to determine the users location. Once the receiver calculates its distance from the satellites, it uses trilateration to determine the users exact position on Earth. The GPS system then overlays this position onto a digital map and provides real-time directions to the desired destination. . Response in Sesotho: GPS navigation system e sebetsa ka ho amohela matsoao ho tsoa ho marang-rang a lisathelaete a potolohang Lefatše ho tseba sebaka sa mosebelisi. Hang ha moamoheli a lekanya sebaka sa eona ho tloha ho lisathelaete, e sebelisa trilateration ho fumana hore na mosebelisi o hokae Lefatšeng. Tsamaiso ea GPS e koahela sebaka sena mapeng oa dijithale ebe e fana ka litaelo tsa nako ea nnete ho ea moo u batlang ho ea teng. 