PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/11/13-15:42:50 G05 47.5 21.7 3.7 +/- 0.62 7.9 +/- 0.62 0.040 / 0.070 G10 234.5 10.9 -8.0 +/- 35.39 -21.8 +/- 35.39 0.040 / 0.070 G13 78.8 36.1 7.1 +/- 0.43 11.1 +/- 0.43 0.140 / 0.560 G15 132.1 50.1 8.1 +/- 0.58 10.2 +/- 0.58 0.180 / 0.680 G16 316.8 11.1 2.3 +/- 4.88 6.3 +/- 4.88 0.060 / 0.130 G20 245.8 35.0 8.2 +/- 1.31 13.1 +/- 1.31 0.070 / 0.150 G21 312.4 46.7 6.2 +/- 1.52 8.1 +/- 1.52 0.050 / 0.110 G26 291.5 19.9 7.0 +/- 1.82 15.5 +/- 1.82 0.050 / 0.090 G29 151.3 74.7 7.5 +/- 0.62 7.7 +/- 0.62 0.030 / 0.050