PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/08/24-10:12:50 G01 117.8 17.5 4.2 +/- 1.67 9.7 +/- 1.67 0.030 / 0.040 G07 84.4 64.5 5.8 +/- 0.53 6.4 +/- 0.53 0.030 / 0.050 G08 46.3 35.4 3.5 +/- 0.43 5.5 +/- 0.43 0.130 / 0.220 G09 176.7 26.4 5.9 +/- 3.67 11.1 +/- 3.67 0.110 / 0.300 G11 108.0 41.0 6.6 +/- 0.71 9.5 +/- 0.71 0.050 / 0.070 G13 317.2 20.5 3.1 +/- 2.22 6.8 +/- 2.22 0.040 / 0.070 G17 201.9 21.1 4.6 +/- 1.91 9.8 +/- 1.91 0.100 / 0.370 G18 93.6 20.8 5.0 +/- 0.76 10.8 +/- 0.76 0.140 / 0.360 G28 282.9 52.7 5.3 +/- 0.90 6.5 +/- 0.90 0.080 / 0.200 G30 344.6 68.3 3.2 +/- 0.92 3.5 +/- 0.92 0.060 / 0.190