Height of the position above the WGS84 ellipsoid in meters.
Accuracy of altitude in meters.
Geographical bounds of the area user is located in (with respect to the accuracy of location).
The direction of travel in degrees counting clockwise from true North.
Detected geographical location of the user.
Current velocity in meters per second.
The object that fired the event.
The time when the position was acquired.
The event type (e.g. 'click').
Accuracy of location in meters.