PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/03/24-20:13:10 G07 60.9 67.2 12.4 +/- 0.53 13.4 +/- 0.53 0.030 / 0.040 G08 51.1 39.6 10.4 +/- 1.12 15.2 +/- 1.12 0.040 / 0.040 G09 178.9 39.0 13.0 +/- 0.83 19.3 +/- 0.83 0.170 / 0.240 G11 118.5 35.0 13.0 +/- 0.70 20.6 +/- 0.70 0.070 / 0.260 G17 198.8 14.2 15.3 +/- 3.34 38.7 +/- 3.34 0.120 / 0.100 G18 102.6 15.7 12.3 +/- 1.81 30.1 +/- 1.81 0.130 / 0.110 G23 160.9 10.2 13.5 +/- 3.38 37.5 +/- 3.38 0.060 / 0.070 G27 37.8 10.4 9.4 +/- 3.53 25.9 +/- 3.53 0.070 / 0.080 G28 269.2 48.8 12.3 +/- 3.26 15.8 +/- 3.26 0.030 / 0.040 G30 331.6 59.7 11.1 +/- 0.38 12.7 +/- 0.38 0.030 / 0.030