PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/11/19-18:27:50 G08 306.8 20.8 8.7 +/- 3.24 18.8 +/- 3.24 0.140 / 0.130 G10 335.6 60.6 10.2 +/- 0.83 11.6 +/- 0.83 0.080 / 0.190 G14 218.6 32.4 11.7 +/- 1.77 19.5 +/- 1.77 0.080 / 0.090 G15 47.2 11.3 9.0 +/- 1.90 24.5 +/- 1.90 0.070 / 0.100 G20 40.3 59.8 11.2 +/- 1.05 12.8 +/- 1.05 0.040 / 0.050 G21 135.6 53.6 13.8 +/- 0.40 16.7 +/- 0.40 0.040 / 0.040 G24 68.2 27.9 8.5 +/- 1.56 15.6 +/- 1.56 0.060 / 0.070 G27 275.6 36.7 20.3 +/- 1.71 31.3 +/- 1.71 0.060 / 0.070 G32 224.3 53.4 12.3 +/- 2.58 14.9 +/- 2.58 0.150 / 0.260