PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/09/22-02:12:50 G01 271.6 41.2 8.8 +/- 2.53 12.5 +/- 2.53 0.080 / 0.080 G03 315.6 27.8 5.8 +/- 3.15 10.7 +/- 3.15 0.050 / 0.080 G10 129.4 17.0 8.8 +/- 1.97 20.8 +/- 1.97 0.050 / 0.060 G11 249.9 20.2 11.3 +/- 4.01 24.8 +/- 4.01 0.040 / 0.060 G14 41.9 50.9 7.0 +/- 1.11 8.7 +/- 1.11 0.050 / 0.050 G18 233.2 39.2 10.6 +/- 1.10 15.7 +/- 1.10 0.050 / 0.050 G22 314.1 50.4 7.6 +/- 0.72 9.5 +/- 0.72 0.150 / 0.440 G25 51.0 15.6 5.4 +/- 2.92 13.3 +/- 2.92 0.240 / 0.430 G31 56.6 73.9 6.7 +/- 0.48 6.9 +/- 0.48 0.090 / 0.250 G32 64.2 31.9 5.3 +/- 1.14 8.9 +/- 1.14 0.070 / 0.180