D-GPSTop page > Possession ship, apparatus guidance > Surveying, investigation apparatus - GNSS surveying instrument > D-GPSGNSS surveying instrument: D-GPSSpecificationsStandard, ability Horizontal precision: 0.25m +1 ppm RMS, perpendicular precision: 0.50m +1 ppm RMS, antenna horizontal precision: 0.6m Amount 8 Remarks