Geometric dilution of precision can be subdivided to describe each component of error specifically. Shows positional dilution of precision, error in the 3D position determination dop gdop gps GPS PDOP
One possible error source in GPS calculations is the multipath effect. The GPS satellite signal can bounce off of nearby structures so your GPS receiver detects the same signal twice glonass gps gps error GPS multipath effect
Illustrates one source of GPS error: atmospheric conditions. The atmosphere refracts the satellite signals as they pass through on their way to the earth's surface glonass gps gps error GPS - atmospheric conditions
A car on a city street with a GPS satellite beaming data to the car's navigation system. Remix of several pieces of OCAL clipart gps car city GPS for your car
Geometric dilution of precision can be subdivided to describe each component of error specifically. Shows horizontal dilution of precision, error in the horizontal position determination dop gdop gps GPS HDOP
Shows the process of differential correction to improve GPS accuracy. If a stationary GPS receiver detects the same satellite signals as your mobile receiver, it can send you correction data based on it's precisely surveyed location gps gps correction gps signals GPS differential correction
Demonstrates how GPS works using trilateration. Each satellite is at the center of a sphere and where they all intersect is the position of the GPS receiver glonass gps gps satellites GPS satellites - trilateration
Geometric dilution of precision can be subdivided to describe each component of error specifically. Shows vertical dilution of precision, error in the vertical position determination dop gdop gps GPS VDOP