The GPS chip uses a process called trilateration, in which it locates at least three of the possible satellite signals to establish a location.
Njiri GPS na-eji usoro a na-akpọ nchịkọta, nke bụ ebe ọ dịkarịa ala atọ n'ime akara satịlaịtị 31 nwere ike ịmepụta ọnọdụ.