PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/11/15-01:12:30 G03 214.9 58.5 5.5 +/- 0.46 6.3 +/- 0.46 0.050 / 0.080 G07 257.6 16.9 6.6 +/- 2.21 15.8 +/- 2.21 0.050 / 0.060 G09 311.8 31.9 2.8 +/- 0.95 4.6 +/- 0.95 0.150 / 0.270 G16 95.1 64.2 4.5 +/- 0.92 5.0 +/- 0.92 0.110 / 0.300 G22 189.9 42.3 7.2 +/- 0.68 10.0 +/- 0.68 0.180 / 0.360 G23 327.9 58.2 3.1 +/- 0.72 3.6 +/- 0.72 0.200 / 0.340 G26 54.3 44.1 3.1 +/- 0.78 4.2 +/- 0.78 0.040 / 0.060 G27 135.9 10.0 -15.3 +/- 14.83 -42.5 +/- 14.83 0.040 / 0.050 G31 58.9 11.8 2.3 +/- 1.85 6.2 +/- 1.85 0.040 / 0.050