PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/09/25-23:57:40 G01 304.6 36.3 9.4 +/- 1.57 14.5 +/- 1.57 0.060 / 0.090 G10 108.0 36.8 8.7 +/- 0.67 13.4 +/- 0.67 0.060 / 0.130 G11 281.7 26.7 9.3 +/- 1.41 17.5 +/- 1.41 0.040 / 0.050 G14 353.3 67.3 7.5 +/- 0.83 8.1 +/- 0.83 0.040 / 0.050 G18 273.5 50.4 6.0 +/- 3.36 7.5 +/- 3.36 0.050 / 0.060 G20 122.0 11.5 8.7 +/- 3.31 23.5 +/- 3.31 0.050 / 0.060 G22 310.4 25.6 7.0 +/- 1.78 13.4 +/- 1.78 0.030 / 0.050 G25 81.6 16.7 7.8 +/- 1.73 18.6 +/- 1.73 0.040 / 0.040 G31 161.1 67.5 9.4 +/- 0.53 10.0 +/- 0.53 0.120 / 0.170 G32 38.4 50.9 7.5 +/- 1.40 9.4 +/- 1.40 0.100 / 0.150