org.jscience.devices.gps
Interfaces 
IDate
IGPSlistener
ILap
ILapListener
IPosition
ITime
ITrackpoint
ITrackpointListener
ITransferListener
IWaypoint
IWaypointListener
Classes 
GPS
Position
PositionDegrees
PositionRadians
Exceptions 
FeatureNotSupportedException