Both: they broadcast not the location but the orbital characteristics (ephemeris), and devices can save the last received value. As the satellites get 'perturbe

Both: they broadcast not the location but the orbital characteristics (ephemeris), and devices can save the last received value. As the satellites get 'perturbed' in orbit, their orbital data is updated and re-broadcast. * https://gssc.esa.int/navipedia/index.php/GPS_Navigation_Message https://gssc.esa.int/navipedia/index.php/GPS_Navigation_Mess... * https://www.e-education.psu.edu/geog862/node/1737 https://www.e-education.psu.edu/geog862/node/1737 * https://gssc.esa.int/navipedia/index.php/GPS_and_Galileo_Satellite_Coordinates_Computation https://gssc.esa.int/navipedia/index.php/GPS_and_Galileo_Sat... * https://en.wikipedia.org/wiki/Ephemeris https://en.wikipedia.org/wiki/Ephemeris