PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/10/07-02:27:40 G03 238.4 68.0 4.6 +/- 0.64 4.9 +/- 0.64 0.110 / 0.300 G09 304.5 20.7 4.1 +/- 0.66 8.9 +/- 0.66 0.130 / 0.370 G14 99.2 16.3 4.2 +/- 1.22 10.1 +/- 1.22 0.040 / 0.060 G16 120.3 59.3 5.2 +/- 0.48 5.9 +/- 0.48 0.040 / 0.040 G22 197.7 55.0 5.8 +/- 0.52 6.9 +/- 0.52 0.150 / 0.260 G23 321.1 51.1 4.7 +/- 0.55 5.9 +/- 0.55 0.120 / 0.280 G26 66.9 50.4 4.5 +/- 0.81 5.6 +/- 0.81 0.040 / 0.050 G31 53.4 17.3 3.0 +/- 2.95 7.0 +/- 2.95 0.040 / 0.050