. "SDN:S04::S04157" . . . . . "2006-10-02 18:26:59.0" . "SDN:S04::S04157" . "1" . "1" . . "The estimation of position based upon interpolation between satellite fixes from the GPS network using measurements of ship's velocity through the water."@en . "dead reckoning based on GPS and em-log or ADCP"@en . "false" . "accepted"@en . . "" . . "2006-10-02 18:26:59.0" . "SDN:S04::S04157" .