PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/07/26-06:13:10 G01 269.5 40.9 5.2 +/- 24.56 7.4 +/- 24.56 0.040 / 0.060 G03 315.9 29.4 2.5 +/- 2.33 4.4 +/- 2.33 0.040 / 0.050 G10 130.3 16.0 7.8 +/- 35.16 19.0 +/- 35.16 0.060 / 0.060 G11 249.0 19.6 8.1 +/- 31.77 17.9 +/- 31.77 0.050 / 0.100 G14 42.2 51.0 0.2 +/- 2.15 0.3 +/- 2.15 0.110 / 0.210 G18 233.2 38.4 4.5 +/- 8.07 6.7 +/- 8.07 0.120 / 0.140 G22 313.9 53.0 1.4 +/- 2.17 1.7 +/- 2.17 0.140 / 0.250 G25 51.2 16.2 2.8 +/- 30.91 6.8 +/- 30.91 0.120 / 0.180 G31 51.8 70.5 1.7 +/- 2.95 1.8 +/- 2.95 0.100 / 0.090 G32 66.0 30.3 1.9 +/- 1.59 3.3 +/- 1.59 0.050 / 0.090