PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/10/09-07:42:50 G01 126.7 11.8 5.7 +/- 3.31 15.2 +/- 3.31 0.050 / 0.040 G07 56.9 69.0 5.8 +/- 0.41 6.2 +/- 0.41 0.050 / 0.040 G08 49.0 37.2 3.0 +/- 0.49 4.6 +/- 0.49 0.030 / 0.030 G09 174.0 30.6 6.3 +/- 1.22 10.9 +/- 1.22 0.030 / 0.030 G11 116.1 35.8 7.5 +/- 0.80 11.7 +/- 0.80 0.090 / 0.390 G13 320.9 12.3 -2.5 +/- 14.21 -6.7 +/- 14.21 0.100 / 0.420 G17 199.1 17.1 3.8 +/- 1.67 9.1 +/- 1.67 0.110 / 0.330 G18 101.6 16.8 6.3 +/- 1.26 15.0 +/- 1.26 0.110 / 0.370 G28 275.4 52.2 6.8 +/- 0.99 8.4 +/- 0.99 0.090 / 0.270 G30 331.1 59.5 4.5 +/- 1.30 5.1 +/- 1.30 0.140 / 0.300