PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/11/07-02:12:30 G03 244.6 68.2 4.0 +/- 0.68 4.3 +/- 0.68 0.040 / 0.040 G09 303.2 18.2 3.2 +/- 1.28 7.3 +/- 1.28 0.030 / 0.050 G14 99.7 13.9 4.9 +/- 1.63 12.4 +/- 1.63 0.030 / 0.040 G16 139.4 57.1 7.2 +/- 0.67 8.4 +/- 0.67 0.030 / 0.050 G22 197.0 57.1 5.6 +/- 0.45 6.5 +/- 0.45 0.100 / 0.180 G23 317.7 47.2 5.0 +/- 0.53 6.5 +/- 0.53 0.080 / 0.210 G26 75.3 54.9 4.6 +/- 0.82 5.4 +/- 0.82 0.120 / 0.130 G31 50.6 23.7 2.7 +/- 2.41 5.5 +/- 2.41 0.090 / 0.120