PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/09/29-03:58:10 G01 233.0 23.3 6.5 +/- 2.49 13.2 +/- 2.49 0.040 / 0.040 G03 305.3 59.0 5.4 +/- 1.32 6.1 +/- 1.32 0.040 / 0.040 G14 79.4 28.3 1.2 +/- 0.83 2.2 +/- 0.83 0.080 / 0.170 G16 157.0 34.3 7.7 +/- 0.66 12.4 +/- 0.66 0.080 / 0.160 G22 250.9 75.4 5.3 +/- 0.83 5.5 +/- 0.83 0.100 / 0.200 G23 299.7 29.7 4.6 +/- 1.40 8.2 +/- 1.40 0.140 / 0.210 G26 119.9 50.9 6.9 +/- 1.13 8.6 +/- 1.13 0.030 / 0.050 G31 41.1 43.2 2.1 +/- 0.45 3.0 +/- 0.45 0.030 / 0.080 G32 91.4 14.3 3.1 +/- 1.18 7.9 +/- 1.18 0.060 / 0.140