PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/01/24-18:58:00 G01 260.4 38.7 13.2 +/- 1.19 19.5 +/- 1.19 0.040 / 0.050 G03 316.6 38.4 11.8 +/- 1.24 17.7 +/- 1.24 0.040 / 0.050 G10 134.0 10.9 13.0 +/- 1.86 35.4 +/- 1.86 0.120 / 0.220 G11 245.4 16.7 14.0 +/- 2.29 33.4 +/- 2.29 0.190 / 0.260 G14 51.6 46.0 10.5 +/- 0.85 13.9 +/- 0.85 0.020 / 0.040 G22 311.3 59.7 11.8 +/- 1.11 13.4 +/- 1.11 0.030 / 0.030 G25 45.8 14.2 8.4 +/- 0.78 21.4 +/- 0.78 0.080 / 0.220 G26 142.8 31.6 15.8 +/- 1.27 26.8 +/- 1.27 0.060 / 0.210 G31 44.3 66.4 10.6 +/- 0.36 11.5 +/- 0.36 0.070 / 0.100 G32 71.1 27.4 10.4 +/- 0.80 19.2 +/- 0.80 0.070 / 0.100