PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/09/16-23:43:00 G01 319.2 18.7 7.8 +/- 2.55 17.7 +/- 2.55 0.120 / 0.220 G08 261.3 14.1 9.2 +/- 2.76 23.3 +/- 2.76 0.150 / 0.280 G10 79.0 52.1 9.0 +/- 0.60 11.1 +/- 0.60 0.040 / 0.070 G11 305.5 21.1 7.8 +/- 3.45 16.8 +/- 3.45 0.050 / 0.070 G14 286.1 69.0 7.6 +/- 0.70 8.1 +/- 0.70 0.180 / 0.270 G18 305.8 40.1 8.3 +/- 0.81 12.1 +/- 0.81 0.150 / 0.280 G20 104.9 28.9 8.8 +/- 1.28 15.8 +/- 1.28 0.050 / 0.090 G31 174.8 41.6 10.5 +/- 0.99 14.9 +/- 0.99 0.060 / 0.090 G32 6.0 68.3 8.2 +/- 0.79 8.7 +/- 0.79 0.040 / 0.030