PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/08/23-02:42:40 G01 316.2 23.8 8.3 +/- 1.68 16.7 +/- 1.68 0.060 / 0.210 G10 90.4 48.7 8.5 +/- 0.51 10.9 +/- 0.51 0.070 / 0.260 G11 295.2 26.4 9.3 +/- 2.91 17.7 +/- 2.91 0.110 / 0.170 G14 317.4 70.8 9.2 +/- 1.00 9.6 +/- 1.00 0.090 / 0.210 G18 296.6 45.2 8.6 +/- 1.32 11.5 +/- 1.32 0.040 / 0.040 G20 93.7 58.5 10.4 +/- 1.54 12.0 +/- 1.54 0.030 / 0.040 G22 304.1 14.6 5.1 +/- 2.88 12.8 +/- 2.88 0.040 / 0.070 G25 94.0 11.5 -8.7 +/- 32.92 -23.6 +/- 32.92 0.040 / 0.070 G31 171.4 52.0 11.2 +/- 1.45 13.8 +/- 1.45 0.140 / 0.360 G32 22.8 60.8 7.8 +/- 0.81 8.8 +/- 0.81 0.120 / 0.360