PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/08/09-06:12:50 G01 239.9 28.8 6.5 +/- 1.39 11.7 +/- 1.39 0.050 / 0.040 G03 312.1 52.6 3.6 +/- 1.10 4.4 +/- 1.10 0.030 / 0.040 G14 70.2 35.6 3.5 +/- 1.32 5.5 +/- 1.32 0.080 / 0.120 G16 155.0 30.0 6.8 +/- 1.10 11.8 +/- 1.10 0.080 / 0.140 G18 213.2 19.0 6.7 +/- 3.66 15.2 +/- 3.66 0.040 / 0.050 G22 280.7 73.7 4.5 +/- 0.63 4.7 +/- 0.63 0.040 / 0.060 G23 294.8 26.1 3.7 +/- 3.22 7.0 +/- 3.22 0.070 / 0.170 G26 121.0 46.8 8.3 +/- 1.52 10.9 +/- 1.52 0.070 / 0.190 G31 41.3 45.2 2.6 +/- 0.82 3.5 +/- 0.82 0.060 / 0.170 G32 87.0 14.7 3.5 +/- 0.88 8.8 +/- 0.88 0.090 / 0.170