PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/11/11-18:42:50 G10 280.0 44.4 9.3 +/- 0.74 12.6 +/- 0.74 0.080 / 0.080 G13 38.4 10.4 9.1 +/- 2.46 25.3 +/- 2.46 0.090 / 0.090 G15 49.8 38.3 9.7 +/- 0.61 14.5 +/- 0.61 0.040 / 0.030 G18 331.3 67.1 9.2 +/- 0.55 9.9 +/- 0.55 0.040 / 0.030 G20 62.0 27.6 7.0 +/- 2.05 13.0 +/- 2.05 0.070 / 0.130 G21 59.2 75.9 10.2 +/- 0.93 10.4 +/- 0.93 0.070 / 0.120 G24 111.4 20.6 11.2 +/- 1.83 24.3 +/- 1.83 0.170 / 0.180 G27 310.7 28.4 8.0 +/- 1.61 14.4 +/- 1.61 0.100 / 0.190 G29 166.1 14.2 10.0 +/- 1.71 25.3 +/- 1.71 0.180 / 0.360 G32 207.2 18.2 10.4 +/- 1.82 23.9 +/- 1.82 0.170 / 0.310