Question

PS is a system of that was created using . In this process, a GPS receiver measures the between satellites using . These signals are used to identify exact .
trilateration radio locations signals distance satellites
put them in the correct places in the sentances

Answer 1

I assume "PS" is a typo for "GPS." Filled sentences:

GPS is a system of satellites that was created using trilateration. In this process, a GPS receiver measures the distance between satellites using radio signals. These signals are used to identify exact locations.