PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/03/26-22:27:50 G01 60.1 30.4 8.1 +/- 0.83 14.1 +/- 0.83 0.070 / 0.130 G07 141.5 17.7 10.4 +/- 1.83 24.2 +/- 1.83 0.080 / 0.130 G11 47.6 23.0 6.6 +/- 1.99 13.4 +/- 1.99 0.110 / 0.080 G13 262.0 36.0 11.9 +/- 1.10 18.6 +/- 1.10 0.100 / 0.110 G15 293.5 16.5 8.3 +/- 1.15 19.9 +/- 1.15 0.070 / 0.110 G17 260.7 77.8 11.1 +/- 0.37 11.3 +/- 0.37 0.060 / 0.100 G18 40.7 11.1 5.2 +/- 9.38 14.2 +/- 9.38 0.030 / 0.050 G19 231.6 50.3 12.7 +/- 1.89 16.0 +/- 1.89 0.050 / 0.050 G28 28.5 58.6 8.2 +/- 0.89 9.4 +/- 0.89 0.040 / 0.040 G30 143.4 51.8 11.5 +/- 0.83 14.2 +/- 0.83 0.040 / 0.040