PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/08/13-01:27:50 G08 301.4 22.2 8.2 +/- 1.18 17.1 +/- 1.18 0.080 / 0.080 G10 348.2 62.0 8.4 +/- 0.53 9.4 +/- 0.53 0.090 / 0.090 G14 222.8 36.8 12.7 +/- 1.51 19.4 +/- 1.51 0.050 / 0.050 G20 342.4 63.3 25.1 +/- 0.94 27.7 +/- 0.94 0.050 / 0.060 G21 141.1 50.5 10.3 +/- 0.47 12.9 +/- 0.47 0.030 / 0.030 G24 63.6 27.8 7.8 +/- 0.92 14.4 +/- 0.92 0.030 / 0.030 G27 265.1 35.5 11.9 +/- 1.49 18.8 +/- 1.49 0.100 / 0.080 G32 232.0 61.9 10.5 +/- 1.64 11.7 +/- 1.64 0.060 / 0.070