PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/10/22-01:27:50 G03 304.5 60.4 8.0 +/- 2.51 9.1 +/- 2.51 0.040 / 0.040 G14 78.8 29.4 5.6 +/- 1.15 9.9 +/- 1.15 0.040 / 0.040 G16 151.9 36.9 9.6 +/- 1.12 14.7 +/- 1.12 0.070 / 0.110 G18 206.8 12.2 5.0 +/- 2.64 13.3 +/- 2.64 0.070 / 0.120 G22 249.7 74.9 7.9 +/- 0.88 8.1 +/- 0.88 0.070 / 0.180 G23 300.2 30.1 7.1 +/- 1.29 12.4 +/- 1.29 0.070 / 0.140 G26 112.8 51.3 9.5 +/- 1.14 11.8 +/- 1.14 0.090 / 0.110 G31 42.3 40.6 4.1 +/- 1.71 5.9 +/- 1.71 0.070 / 0.100 G32 92.9 10.8 5.2 +/- 2.70 14.4 +/- 2.70 0.080 / 0.460