PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/03/26-23:13:00 G01 43.0 19.1 7.1 +/- 3.22 16.0 +/- 3.22 0.290 / 0.330 G06 178.5 31.2 12.1 +/- 1.55 20.6 +/- 1.55 0.190 / 0.230 G13 240.4 25.1 11.6 +/- 3.15 22.7 +/- 3.15 0.050 / 0.040 G15 274.0 13.6 8.9 +/- 0.92 23.0 +/- 0.92 0.040 / 0.030 G17 356.9 72.9 8.9 +/- 0.39 9.3 +/- 0.39 0.080 / 0.240 G19 265.1 66.8 9.6 +/- 0.90 10.3 +/- 0.90 0.090 / 0.270 G24 317.1 17.3 5.5 +/- 4.43 13.0 +/- 4.43 0.040 / 0.050 G28 61.6 51.6 8.9 +/- 0.61 11.0 +/- 0.61 0.040 / 0.050 G30 153.2 31.0 10.8 +/- 1.20 18.6 +/- 1.20 0.070 / 0.090