PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/02/26-17:12:30 G01 244.9 31.9 10.2 +/- 1.63 17.1 +/- 1.63 0.030 / 0.040 G03 313.6 53.2 10.5 +/- 0.75 12.7 +/- 0.75 0.040 / 0.030 G14 65.1 38.7 9.5 +/- 1.06 14.1 +/- 1.06 0.050 / 0.110 G16 160.5 23.7 10.9 +/- 1.40 22.0 +/- 1.40 0.050 / 0.100 G22 291.2 72.9 12.1 +/- 0.95 12.6 +/- 0.95 0.040 / 0.050 G23 291.9 24.5 9.3 +/- 1.29 18.5 +/- 1.29 0.060 / 0.040 G26 129.3 43.0 11.2 +/- 0.37 15.5 +/- 0.37 0.080 / 0.160 G31 40.5 51.5 9.4 +/- 0.59 11.7 +/- 0.59 0.090 / 0.180 G32 82.7 18.5 9.7 +/- 1.70 22.1 +/- 1.70 0.100 / 0.110