PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/03/14-00:12:40 G01 41.3 16.9 7.5 +/- 2.67 17.7 +/- 2.67 0.210 / 0.230 G06 178.5 33.8 10.2 +/- 0.88 16.6 +/- 0.88 0.300 / 0.280 G13 237.8 23.1 9.6 +/- 2.62 19.5 +/- 2.62 0.130 / 0.140 G15 271.3 12.6 7.8 +/- 1.14 20.6 +/- 1.14 0.110 / 0.180 G17 4.3 70.3 7.5 +/- 0.31 7.9 +/- 0.31 0.040 / 0.060 G19 272.8 68.3 8.0 +/- 0.42 8.5 +/- 0.42 0.040 / 0.050 G24 316.1 20.1 5.1 +/- 2.77 11.3 +/- 2.77 0.030 / 0.030 G28 66.2 50.1 8.5 +/- 0.85 10.8 +/- 0.85 0.030 / 0.030 G30 154.2 28.3 10.0 +/- 1.14 18.2 +/- 1.14 0.060 / 0.080