PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/09/26-02:12:50 G01 231.6 24.0 7.9 +/- 2.41 15.8 +/- 2.41 0.210 / 0.300 G03 306.6 59.5 3.8 +/- 1.20 4.3 +/- 1.20 0.170 / 0.270 G14 75.6 32.6 2.5 +/- 2.03 4.1 +/- 2.03 0.060 / 0.120 G16 151.7 35.5 6.9 +/- 1.14 10.8 +/- 1.14 0.060 / 0.140 G18 208.5 13.4 7.6 +/- 2.20 19.6 +/- 2.20 0.200 / 0.330 G22 257.7 74.6 5.9 +/- 0.98 6.1 +/- 0.98 0.110 / 0.370 G23 300.7 31.9 4.6 +/- 1.46 7.8 +/- 1.46 0.210 / 0.120 G26 113.9 50.6 6.0 +/- 0.67 7.5 +/- 0.67 0.110 / 0.150 G31 42.8 39.6 3.1 +/- 1.26 4.5 +/- 1.26 0.040 / 0.030 G32 91.5 11.5 4.4 +/- 1.41 12.0 +/- 1.41 0.040 / 0.030