PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/03/04-20:13:00 G07 331.8 58.0 10.8 +/- 0.51 12.5 +/- 0.51 0.070 / 0.060 G08 105.0 49.6 13.1 +/- 0.61 16.6 +/- 0.61 0.080 / 0.070 G09 206.6 79.5 12.3 +/- 0.37 12.5 +/- 0.37 0.180 / 0.250 G11 147.8 10.7 8.2 +/- 24.78 22.5 +/- 24.78 0.150 / 0.310 G16 44.7 15.8 8.8 +/- 3.48 21.4 +/- 3.48 0.030 / 0.020 G23 154.0 49.1 13.6 +/- 0.36 17.3 +/- 0.36 0.020 / 0.020 G27 63.0 35.7 11.4 +/- 1.26 17.9 +/- 1.26 0.030 / 0.040 G28 232.2 21.7 14.5 +/- 1.76 30.7 +/- 1.76 0.030 / 0.050 G30 297.6 31.7 11.1 +/- 1.55 18.8 +/- 1.55 0.040 / 0.040