PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/08/13-00:27:50 G10 299.4 52.5 9.7 +/- 1.81 11.8 +/- 1.81 0.060 / 0.110 G14 210.8 11.7 0.1 +/- 27.47 0.2 +/- 27.47 0.070 / 0.110 G15 46.4 30.1 7.8 +/- 1.10 13.5 +/- 1.10 0.030 / 0.040 G20 298.4 49.8 21.0 +/- 0.64 26.5 +/- 0.64 0.030 / 0.040 G21 98.2 74.4 10.0 +/- 0.56 10.4 +/- 0.56 0.100 / 0.060 G24 94.4 26.8 9.4 +/- 1.48 17.6 +/- 1.48 0.080 / 0.040 G27 299.3 34.6 9.5 +/- 1.68 15.2 +/- 1.68 0.080 / 0.130 G32 210.8 35.1 13.2 +/- 2.10 20.9 +/- 2.10 0.060 / 0.110