PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/08/10-15:27:50 G02 201.1 17.6 8.8 +/- 1.22 20.5 +/- 1.22 0.160 / 0.180 G06 168.3 54.6 9.9 +/- 0.98 11.8 +/- 0.98 0.170 / 0.290 G13 227.6 13.6 8.8 +/- 3.46 22.6 +/- 3.46 0.090 / 0.160 G17 22.3 59.7 8.5 +/- 0.92 9.7 +/- 0.92 0.110 / 0.120 G19 308.2 70.2 7.7 +/- 0.79 8.1 +/- 0.79 0.160 / 0.960 G24 309.7 30.3 8.6 +/- 1.38 15.0 +/- 1.38 0.330 / 0.830 G28 86.7 40.4 7.4 +/- 2.14 10.7 +/- 2.14 0.050 / 0.030 G30 157.6 16.8 8.3 +/- 1.85 19.7 +/- 1.85 0.040 / 0.030