public void svNavigation(string root)
        {
            var stream   = new FileStream(root, FileMode.Open);
            var reader   = new StreamReader(stream, System.Text.Encoding.ASCII);
            var addNfile = new FileRepository();

            var navigation = new navigation();

            for (int i = 0; i < 9; i++)
            {
                reader.ReadLine();
            }

            while (reader.EndOfStream == false)
            {
                var fileLine = reader.ReadLine(); //1st row

                navigation.prn              = int.Parse(fileLine.Substring(0, 2));
                navigation.year             = int.Parse(fileLine.Substring(3, 2));
                navigation.month            = int.Parse(fileLine.Substring(6, 2));
                navigation.day              = int.Parse(fileLine.Substring(9, 2));
                navigation.hour             = int.Parse(fileLine.Substring(12, 2));
                navigation.minute           = int.Parse(fileLine.Substring(15, 2));
                navigation.second           = double.Parse(fileLine.Substring(18, 4));
                navigation.svClockBias      = double.Parse(fileLine.Substring(22, 15)) * Math.Pow(10, double.Parse(fileLine.Substring(38, 3)));
                navigation.svClockDrift     = double.Parse(fileLine.Substring(41, 15)) * Math.Pow(10, double.Parse(fileLine.Substring(57, 3)));
                navigation.svClockDriftRate = double.Parse(fileLine.Substring(60, 15)) * Math.Pow(10, double.Parse(fileLine.Substring(76, 3)));

                fileLine = reader.ReadLine(); //2nd row

                navigation.IODE   = double.Parse(fileLine.Substring(3, 15)) * Math.Pow(10, double.Parse(fileLine.Substring(19, 3)));
                navigation.crs    = double.Parse(fileLine.Substring(22, 15)) * Math.Pow(10, double.Parse(fileLine.Substring(38, 3)));
                navigation.deltaN = double.Parse(fileLine.Substring(41, 15)) * Math.Pow(10, double.Parse(fileLine.Substring(57, 3)));
                navigation.m0     = double.Parse(fileLine.Substring(60, 15)) * Math.Pow(10, double.Parse(fileLine.Substring(76, 3)));

                fileLine = reader.ReadLine(); //3rd row

                navigation.cuc   = double.Parse(fileLine.Substring(3, 15)) * Math.Pow(10, double.Parse(fileLine.Substring(19, 3)));
                navigation.e     = double.Parse(fileLine.Substring(22, 15)) * Math.Pow(10, double.Parse(fileLine.Substring(38, 3)));
                navigation.cus   = double.Parse(fileLine.Substring(41, 15)) * Math.Pow(10, double.Parse(fileLine.Substring(57, 3)));
                navigation.rootA = double.Parse(fileLine.Substring(60, 15)) * Math.Pow(10, double.Parse(fileLine.Substring(76, 3)));

                fileLine = reader.ReadLine(); //4th row

                navigation.toe  = double.Parse(fileLine.Substring(3, 15)) * Math.Pow(10, double.Parse(fileLine.Substring(19, 3)));
                navigation.cic  = double.Parse(fileLine.Substring(22, 15)) * Math.Pow(10, double.Parse(fileLine.Substring(38, 3)));
                navigation.ohm0 = double.Parse(fileLine.Substring(41, 15)) * Math.Pow(10, double.Parse(fileLine.Substring(57, 3)));
                navigation.cis  = double.Parse(fileLine.Substring(60, 15)) * Math.Pow(10, double.Parse(fileLine.Substring(76, 3)));

                fileLine = reader.ReadLine(); //5th row

                navigation.i0     = double.Parse(fileLine.Substring(3, 15)) * Math.Pow(10, double.Parse(fileLine.Substring(19, 3)));
                navigation.crc    = double.Parse(fileLine.Substring(22, 15)) * Math.Pow(10, double.Parse(fileLine.Substring(38, 3)));
                navigation.w      = double.Parse(fileLine.Substring(41, 15)) * Math.Pow(10, double.Parse(fileLine.Substring(57, 3)));
                navigation.ohmDot = double.Parse(fileLine.Substring(60, 15)) * Math.Pow(10, double.Parse(fileLine.Substring(76, 3)));

                fileLine = reader.ReadLine(); //6th row

                navigation.iDot    = double.Parse(fileLine.Substring(3, 15)) * Math.Pow(10, double.Parse(fileLine.Substring(19, 3)));
                navigation.L2Code  = double.Parse(fileLine.Substring(22, 15)) * Math.Pow(10, double.Parse(fileLine.Substring(38, 3)));
                navigation.gpsWeek = double.Parse(fileLine.Substring(41, 15)) * Math.Pow(10, double.Parse(fileLine.Substring(57, 3)));
                navigation.L2PFlag = double.Parse(fileLine.Substring(60, 15)) * Math.Pow(10, double.Parse(fileLine.Substring(76, 3)));

                fileLine = reader.ReadLine(); //7th row

                navigation.svAccuracy = double.Parse(fileLine.Substring(3, 15)) * Math.Pow(10, double.Parse(fileLine.Substring(19, 3)));
                navigation.svHealth   = double.Parse(fileLine.Substring(22, 15)) * Math.Pow(10, double.Parse(fileLine.Substring(38, 3)));
                navigation.TDG        = double.Parse(fileLine.Substring(41, 15)) * Math.Pow(10, double.Parse(fileLine.Substring(57, 3)));
                navigation.IODC       = double.Parse(fileLine.Substring(60, 15)) * Math.Pow(10, double.Parse(fileLine.Substring(76, 3)));

                fileLine = reader.ReadLine(); //8th row

                navigation.Tx          = double.Parse(fileLine.Substring(3, 15)) * Math.Pow(10, double.Parse(fileLine.Substring(19, 3)));
                navigation.fitInterval = double.Parse(fileLine.Substring(22, 15)) * Math.Pow(10, double.Parse(fileLine.Substring(38, 3)));

                addNfile.AddNfile(navigation);
            }
        } //N파일 리딩 및 업로드