PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/12/08-19:27:40 G01 314.4 26.6 11.8 +/- 1.04 22.2 +/- 1.04 0.040 / 0.050 G10 94.9 46.1 16.3 +/- 0.77 21.7 +/- 0.77 0.030 / 0.050 G11 291.2 27.4 12.5 +/- 1.89 23.2 +/- 1.89 0.080 / 0.140 G14 332.7 70.6 15.5 +/- 0.86 16.3 +/- 0.86 0.080 / 0.170 G20 113.9 21.2 18.9 +/- 1.35 40.3 +/- 1.35 0.070 / 0.150 G22 305.8 17.7 11.9 +/- 1.66 27.6 +/- 1.66 0.100 / 0.170 G25 86.0 12.4 25.3 +/- 1.35 67.0 +/- 1.35 0.170 / 0.330 G31 176.5 51.1 18.1 +/- 0.67 22.6 +/- 0.67 0.140 / 0.260 G32 23.4 60.3 14.9 +/- 0.42 16.9 +/- 0.42 0.040 / 0.050