9#include <simgear/props/props.hxx>
29 static SGSubsystem *
createInstance( SGPropertyNode_ptr rootNode );
static SGSubsystem * createInstance(SGPropertyNode_ptr rootNode)
static const char * staticSubsystemClassId()
virtual double computeSignalQuality(double distance_nm) const =0
virtual ~SignalQualityComputer()
SGSharedPtr< SignalQualityComputer > SignalQualityComputerRef