PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/08/22-04:58:10 G01 249.4 34.6 7.2 +/- 1.43 11.5 +/- 1.43 0.040 / 0.040 G03 315.8 43.3 4.8 +/- 0.48 6.6 +/- 0.48 0.040 / 0.040 G11 234.9 11.2 6.5 +/- 6.90 17.7 +/- 6.90 0.080 / 0.090 G14 61.1 40.7 4.2 +/- 1.09 6.1 +/- 1.09 0.120 / 0.090 G16 159.7 21.2 1.8 +/- 11.24 3.9 +/- 11.24 0.240 / 0.430 G18 219.3 26.2 6.7 +/- 3.20 12.8 +/- 3.20 0.290 / 0.520 G22 303.1 66.2 5.4 +/- 0.48 5.8 +/- 0.48 0.060 / 0.070 G26 131.9 40.0 5.5 +/- 0.73 8.0 +/- 0.73 0.040 / 0.080 G31 41.2 54.5 5.0 +/- 0.87 6.0 +/- 0.87 0.120 / 0.260 G32 79.4 20.3 3.8 +/- 3.14 8.2 +/- 3.14 0.100 / 0.240