PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/11/26-16:42:50 G10 252.6 27.6 9.4 +/- 1.52 17.3 +/- 1.52 0.040 / 0.040 G13 52.3 29.7 8.7 +/- 1.70 15.3 +/- 1.70 0.040 / 0.030 G15 79.7 56.0 10.2 +/- 1.47 12.1 +/- 1.47 0.100 / 0.300 G16 298.4 13.4 7.6 +/- 2.40 19.6 +/- 2.40 0.110 / 0.370 G18 274.7 58.9 10.1 +/- 2.09 11.5 +/- 2.09 0.060 / 0.070 G20 42.9 48.4 8.1 +/- 1.16 10.4 +/- 1.16 0.050 / 0.060 G21 344.5 64.9 9.9 +/- 0.82 10.8 +/- 0.82 0.110 / 0.150 G26 268.8 14.4 7.4 +/- 2.34 18.6 +/- 2.34 0.130 / 0.140 G29 163.0 42.0 10.7 +/- 0.78 15.0 +/- 0.78 0.120 / 0.480