Furuno Satelite compas SC 110 in perfect working condition. Comes with Antena,seperate head unit with an  Lcd moniter with digital read out to 3 decimal positioning,  and all nmea cables. The SC110 has 3 gps antenas one more than the recreationa Furuno  SC 20  or SC30 the visual display, all flush mounted in a self contained head unit. Can be linked to Furuno sounders and chart plotters for ultimate positional accuracy and heave compensation to stabilize sounder displays in rough water and assists in providing greater clarity of visual display  . This unit is used on pro fishing boats, ferries and recreational vessles. The antena can be fitted to the hard top of your boat. This is the commercial version with higher levels of accuracy and robust construction. Priced at a quarter of current replacement cost. Asking $2600. The unit is removed from the vessle it was mounted on and can be viewed working from a seperate battery. I am retired and available most times.