PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/03/22-23:28:00 G01 43.4 19.5 7.2 +/- 2.52 16.0 +/- 2.52 0.340 / 0.350 G06 178.8 30.4 11.2 +/- 0.85 19.5 +/- 0.85 0.310 / 0.410 G13 241.0 25.5 9.9 +/- 1.77 19.1 +/- 1.77 0.040 / 0.060 G15 274.6 13.7 7.4 +/- 1.46 18.9 +/- 1.46 0.040 / 0.050 G17 355.7 73.3 9.3 +/- 0.42 9.6 +/- 0.42 0.040 / 0.030 G19 263.5 66.3 9.4 +/- 0.86 10.2 +/- 0.86 0.050 / 0.040 G24 317.2 16.9 7.4 +/- 1.56 17.6 +/- 1.56 0.080 / 0.220 G28 60.8 51.8 8.9 +/- 0.61 11.0 +/- 0.61 0.120 / 0.230 G30 153.0 31.7 10.5 +/- 1.30 17.7 +/- 1.30 0.050 / 0.080