PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/02/05-17:13:00 G01 294.5 39.1 8.6 +/- 1.41 12.7 +/- 1.41 0.040 / 0.050 G03 311.3 16.9 6.7 +/- 2.37 16.0 +/- 2.37 0.040 / 0.060 G10 117.4 31.4 10.4 +/- 0.59 17.8 +/- 0.59 0.050 / 0.100 G11 270.9 26.4 9.5 +/- 1.82 18.1 +/- 1.82 0.040 / 0.090 G14 17.6 61.1 7.4 +/- 0.97 8.3 +/- 0.97 0.040 / 0.030 G22 313.4 36.8 7.5 +/- 1.51 11.5 +/- 1.51 0.030 / 0.030 G25 70.3 19.0 8.1 +/- 0.58 18.2 +/- 0.58 0.060 / 0.080 G26 158.1 11.2 7.3 +/- 40.13 19.8 +/- 40.13 0.050 / 0.090 G31 140.9 77.2 9.3 +/- 0.68 9.5 +/- 0.68 0.190 / 0.220 G32 48.7 43.6 7.4 +/- 0.43 10.1 +/- 0.43 0.110 / 0.220