PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/11/29-15:13:00 G10 245.5 22.8 6.8 +/- 2.16 14.1 +/- 2.16 0.100 / 0.350 G13 59.5 32.6 5.0 +/- 1.61 8.4 +/- 1.61 0.100 / 0.370 G15 102.8 58.3 8.5 +/- 0.58 9.8 +/- 0.58 0.040 / 0.050 G16 302.9 14.9 3.4 +/- 2.29 8.6 +/- 2.29 0.040 / 0.040 G20 262.1 46.7 9.0 +/- 4.20 11.8 +/- 4.20 0.030 / 0.030 G21 329.9 57.7 5.8 +/- 0.44 6.7 +/- 0.44 0.030 / 0.040 G29 161.4 55.9 8.6 +/- 0.70 10.1 +/- 0.70 0.070 / 0.110