PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/03/11-00:27:40 G01 40.7 16.0 6.5 +/- 2.70 15.7 +/- 2.70 0.340 / 0.340 G06 178.5 35.0 8.2 +/- 0.67 13.0 +/- 0.67 0.120 / 0.230 G13 236.7 22.3 8.9 +/- 1.78 18.6 +/- 1.78 0.110 / 0.150 G15 270.2 12.2 8.0 +/- 3.31 21.3 +/- 3.31 0.150 / 0.170 G17 6.7 69.2 6.4 +/- 0.66 6.8 +/- 0.66 0.030 / 0.040 G19 276.2 68.9 6.8 +/- 0.69 7.2 +/- 0.69 0.040 / 0.060 G24 315.6 21.2 4.9 +/- 3.08 10.5 +/- 3.08 0.030 / 0.030 G28 68.0 49.5 7.4 +/- 0.72 9.4 +/- 0.72 0.030 / 0.030 G30 154.6 27.2 9.3 +/- 0.90 17.3 +/- 0.90 0.230 / 0.300