PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/02/10-18:42:30 G03 234.1 68.4 9.7 +/- 0.70 10.4 +/- 0.70 0.030 / 0.030 G09 303.2 18.1 8.8 +/- 1.41 20.3 +/- 1.41 0.030 / 0.030 G14 99.7 13.7 9.2 +/- 2.09 23.6 +/- 2.09 0.040 / 0.040 G16 134.1 57.5 11.4 +/- 0.47 13.2 +/- 0.47 0.030 / 0.040 G22 193.6 54.5 10.5 +/- 0.43 12.6 +/- 0.43 0.150 / 0.440 G23 317.8 47.4 10.1 +/- 1.18 13.1 +/- 1.18 0.160 / 0.350 G26 76.9 55.6 9.5 +/- 1.53 11.3 +/- 1.53 0.090 / 0.140 G31 51.1 23.0 7.4 +/- 2.80 15.1 +/- 2.80 0.130 / 0.140