PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/12/10-18:27:50 G08 267.0 19.1 10.9 +/- 1.92 24.4 +/- 1.92 0.030 / 0.030 G10 58.4 58.6 10.4 +/- 0.27 11.9 +/- 0.27 0.030 / 0.030 G11 312.0 17.0 10.2 +/- 2.61 24.2 +/- 2.61 0.050 / 0.070 G14 263.1 65.7 11.8 +/- 0.86 12.8 +/- 0.86 0.060 / 0.060 G20 93.6 37.8 11.0 +/- 0.73 16.7 +/- 0.73 0.160 / 0.330 G21 153.7 14.5 11.9 +/- 2.09 30.0 +/- 2.09 0.170 / 0.310 G27 235.5 17.8 10.9 +/- 1.73 25.3 +/- 1.73 0.160 / 0.450 G31 181.0 25.6 12.5 +/- 2.87 24.1 +/- 2.87 0.170 / 0.500 G32 328.6 75.1 12.3 +/- 0.71 12.7 +/- 0.71 0.090 / 0.200