| Variable | 
    MPS_PER_KNOT | 
    Undocumented | 
  
    
    | Variable | 
    MPS_PER_KPH | 
    Undocumented | 
  
    
    | Variable | 
    METERS_PER_FOOT | 
    Undocumented | 
  
    
    | Class | 
    Angles | 
    The types of angles. | 
  
    
    | Class | 
    Directions | 
    The four cardinal directions (north, east, south, west). | 
  
    
    | Class | 
    BasePositioningReceiver | 
    A base positioning receiver. | 
  
    
    | Class | 
    InvalidSentence | 
    An exception raised when a sentence is invalid. | 
  
    
    | Class | 
    InvalidChecksum | 
    An exception raised when the checksum of a sentence is invalid. | 
  
    
    | Class | 
    Angle | 
    An object representing an angle. | 
  
    
    | Class | 
    Heading | 
    The heading of a mobile object. | 
  
    
    | Class | 
    Coordinate | 
    A coordinate. | 
  
    
    | Class | 
    Altitude | 
    An altitude. | 
  
    
    | Class | 
    Speed | 
    The speed (rate of movement) of a mobile object. | 
  
    
    | Class | 
    Climb | 
    The climb ("vertical speed") of an object. | 
  
    
    | Class | 
    PositionError | 
    Position error information. | 
  
    
    | Class | 
    BeaconInformation | 
    Information about positioning beacons (a generalized term for the reference objects that help you determine your position, such as satellites or cell towers). | 
  
    
    | Class | 
    PositioningBeacon | 
    A positioning beacon. | 
  
    
    | Class | 
    Satellite | 
    A satellite. | 
  
    
    | Variable | 
    __all__ | 
    Undocumented | 
  
    
    | Class | 
    _BaseSpeed | 
    An object representing the abstract concept of the speed (rate of movement) of a mobile object. |