PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/09/07-03:12:50 G01 272.5 41.3 8.5 +/- 2.48 12.2 +/- 2.48 0.040 / 0.050 G03 315.5 27.3 4.7 +/- 2.37 8.8 +/- 2.37 0.040 / 0.050 G10 129.0 17.6 7.5 +/- 1.73 17.5 +/- 1.73 0.060 / 0.060 G11 250.6 20.5 7.8 +/- 3.28 16.8 +/- 3.28 0.040 / 0.060 G14 40.7 51.6 7.6 +/- 0.78 9.4 +/- 0.78 0.120 / 0.280 G18 234.3 39.8 9.4 +/- 1.13 13.7 +/- 1.13 0.210 / 0.350 G22 314.2 50.1 6.5 +/- 1.37 8.2 +/- 1.37 0.200 / 0.220 G25 52.1 16.0 5.8 +/- 2.39 14.0 +/- 2.39 0.130 / 0.270 G31 57.5 73.9 7.6 +/- 0.63 7.9 +/- 0.63 0.040 / 0.050 G32 63.8 32.2 5.3 +/- 1.42 8.9 +/- 1.42 0.070 / 0.080