PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/09/18-02:43:00 G01 232.7 24.9 5.8 +/- 2.20 11.4 +/- 2.20 0.140 / 0.210 G03 307.9 58.6 4.3 +/- 1.91 5.0 +/- 1.91 0.130 / 0.340 G14 74.6 33.1 3.4 +/- 1.40 5.6 +/- 1.40 0.070 / 0.140 G16 152.6 34.3 6.5 +/- 1.19 10.4 +/- 1.19 0.070 / 0.120 G18 209.2 14.3 7.6 +/- 3.06 19.1 +/- 3.06 0.220 / 0.400 G22 262.5 74.5 5.9 +/- 1.00 6.1 +/- 1.00 0.180 / 0.390 G23 299.9 31.4 5.9 +/- 1.50 10.0 +/- 1.50 0.160 / 0.220 G26 115.9 49.9 5.9 +/- 0.68 7.4 +/- 0.68 0.100 / 0.160 G31 42.6 40.6 3.0 +/- 1.17 4.3 +/- 1.17 0.040 / 0.030 G32 90.5 12.4 4.9 +/- 1.85 13.0 +/- 1.85 0.040 / 0.030