gpsd: gpsd (GPS service daemon) gpsd: gpsd: gpsd is a service daemon that monitors one or more GPSes attached to gpsd: a host computer through serial or USB ports, making all data on the gpsd: location/course/velocity available to be queried on TCP port 2947 gpsd: of the host computer. With gpsd, multiple GPS client applications gpsd: (such as navigational and wardriving software) can share access to gpsd: GPSes without contention or loss of data. gpsd: gpsd: Homepage: http://gpsd.berlios.de/ gpsd: