PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/02/08-15:57:50 G01 317.5 21.2 5.8 +/- 3.31 12.4 +/- 3.31 0.080 / 0.220 G08 255.9 11.1 6.0 +/- 6.12 16.4 +/- 6.12 0.090 / 0.320 G10 85.6 51.3 5.0 +/- 0.99 6.2 +/- 0.99 0.210 / 0.380 G11 301.4 23.3 5.4 +/- 0.71 11.0 +/- 0.71 0.230 / 0.400 G14 306.5 70.6 5.3 +/- 0.39 5.6 +/- 0.39 0.040 / 0.040 G22 302.9 14.4 5.4 +/- 1.81 13.7 +/- 1.81 0.040 / 0.040 G25 98.2 10.3 0.6 +/- 33.81 1.6 +/- 33.81 0.060 / 0.050 G31 174.7 47.0 7.8 +/- 0.92 10.2 +/- 0.92 0.050 / 0.050 G32 15.8 64.1 5.1 +/- 0.55 5.6 +/- 0.55 0.220 / 0.260