satellite equipped with radar
photograph movement from being up there
Scientists can monitor changes in elevation as well as horizontal movement along faults using a network of Earth-orbiting satellites called GPS.
to monitor faults, geologists have developed instruments to measure changes in elevation, tiliting of the land surface, and ground movements along the faults. Geologists use tiltmeters, Creep Meters, Laser- Ranging Devices, and GPS Satellites.
photograph movement from being up there
GPS satellites do not 'find' anything, that is not their purpose.
Geologists have created Creep Meters, GPS Satellites, Range/ Laser devices, and Tilt Meters. These instruments help keep track of changes in the land surface and elevation.- Polly T. Denver, CO
Geostationary satellites are the ones used for GPS satellites.
GPS IIA-1 NAVSTAR 1 (Both GPS satellites)
No, you cannot display arbitrary video on the screen of a GPS navigation unit and many GPS receivers have no screen (e.g. a GPS tracking recorder used on commercial vehicles).GPS is a system maintained by the US Air Force consisting of 3 segments: the space segment composed of 24 active satellites and 6 idle spare satellites, the ground segment manned by US Air Force officers that monitor and control the satellites remotely, and the user segment composed of receivers that decode the signals from the satellites to calculate latitude, longitude, and elevation.
There are currently 30 healthy GPS satellites in orbit.
GPS signals are processed in the GPS unit and displayed, and they are also processed via three Global Position Satellites. All four units work together and process GPS signals (some to the satellites from the GPS, and some from the satellites to the GPS) to create an accurate position.