PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/12/10-02:58:00 G01 113.9 19.5 8.1 +/- 0.91 18.1 +/- 0.91 0.030 / 0.040 G07 87.3 65.2 5.7 +/- 0.63 6.2 +/- 0.63 0.040 / 0.030 G08 43.5 27.7 2.3 +/- 1.21 4.1 +/- 1.21 0.050 / 0.080 G09 173.3 19.3 7.4 +/- 1.58 16.5 +/- 1.58 0.040 / 0.090 G11 108.0 42.9 6.8 +/- 0.60 9.5 +/- 0.60 0.030 / 0.050 G13 315.5 23.2 2.0 +/- 2.57 4.0 +/- 2.57 0.030 / 0.040 G17 201.2 28.1 6.5 +/- 1.53 11.8 +/- 1.53 0.090 / 0.190 G28 285.3 52.6 6.4 +/- 0.92 7.8 +/- 0.92 0.100 / 0.210 G30 342.2 68.4 2.6 +/- 1.11 2.8 +/- 1.11 0.050 / 0.060