PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/08/11-02:12:50 G01 319.5 17.8 3.0 +/- 17.74 6.9 +/- 17.74 0.200 / 0.280 G08 263.4 14.4 8.5 +/- 1.59 21.4 +/- 1.59 0.230 / 0.310 G10 77.9 52.6 8.8 +/- 1.15 10.8 +/- 1.15 0.040 / 0.050 G11 305.4 21.4 5.7 +/- 3.42 12.1 +/- 3.42 0.040 / 0.050 G14 287.0 69.6 8.3 +/- 0.61 8.8 +/- 0.61 0.100 / 0.160 G18 306.2 39.7 8.4 +/- 0.96 12.3 +/- 0.96 0.090 / 0.190 G20 104.0 30.3 9.9 +/- 1.34 17.1 +/- 1.34 0.150 / 0.230 G27 225.7 10.4 11.8 +/- 5.62 32.6 +/- 5.62 0.160 / 0.280 G31 174.9 41.0 11.7 +/- 0.83 16.7 +/- 0.83 0.040 / 0.040 G32 2.0 69.3 8.6 +/- 0.67 9.2 +/- 0.67 0.030 / 0.040