PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/11/12-17:13:00 G10 266.3 38.2 12.2 +/- 0.93 18.3 +/- 0.93 0.130 / 0.190 G13 42.1 18.5 8.4 +/- 1.20 19.1 +/- 1.20 0.090 / 0.190 G15 62.0 51.6 10.2 +/- 0.34 12.6 +/- 0.34 0.030 / 0.050 G16 280.3 12.4 10.2 +/- 1.73 27.0 +/- 1.73 0.040 / 0.040 G20 296.3 60.0 10.4 +/- 0.57 11.8 +/- 0.57 0.150 / 0.520 G21 6.7 72.1 10.5 +/- 0.70 11.0 +/- 0.70 0.180 / 0.530 G24 117.3 14.2 16.7 +/- 1.41 42.4 +/- 1.41 0.080 / 0.230 G27 319.8 16.6 7.0 +/- 2.24 16.8 +/- 2.24 0.080 / 0.220 G29 167.3 31.4 14.8 +/- 0.75 25.2 +/- 0.75 0.220 / 0.260