Geolocation valiables (default location is Greenwich, UK)
Coordinate altitude (altitude of the position in meters)
Coordinate heading (direction in which the device is traveling)
Coordinate speed (velocity of the device in meters per second)
Coordinate latitude (latitude of a geographical position in decimal degrees)
Coordinate accuracy (the accuracy, with a 95% confidence level in meters)
Coordinate longitude (longitude of a geographical position in decimal degrees)
Coordinate altitudeAccuracy (the accuracy, with a 95% confidence level in meters)
Timestamp (the time at which the location was retrieved in milliseconds)