PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/08/13-05:28:10 G01 226.6 18.9 5.9 +/- 2.42 13.2 +/- 2.42 0.090 / 0.150 G03 294.4 66.2 5.1 +/- 0.45 5.5 +/- 0.45 0.080 / 0.130 G14 83.0 27.1 3.5 +/- 2.24 6.6 +/- 2.24 0.130 / 0.220 G16 147.6 42.1 5.2 +/- 1.21 7.4 +/- 1.21 0.260 / 0.390 G22 227.8 72.5 5.5 +/- 0.37 5.8 +/- 0.37 0.050 / 0.100 G23 307.2 38.4 3.8 +/- 2.44 5.7 +/- 2.44 0.050 / 0.090 G26 102.1 53.4 5.5 +/- 1.11 6.6 +/- 1.11 0.040 / 0.040 G31 45.0 33.0 3.2 +/- 0.98 5.3 +/- 0.98 0.040 / 0.040