G PHYSICS
G01 MEASURING; TESTING
G01S RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
19/00 Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
G01S19/38 Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
G01S19/39 the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
G01S19/42 Determining position
G01S19/45 by combining measurements of signals from the satellite radio beacon positioning system with a supplementary measurement