PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/10/11-19:43:00 G10 275.9 43.3 11.0 +/- 2.24 15.2 +/- 2.24 0.100 / 0.080 G13 38.9 11.9 11.5 +/- 4.97 30.7 +/- 4.97 0.080 / 0.140 G15 54.4 46.4 11.8 +/- 0.71 15.6 +/- 0.71 0.040 / 0.040 G20 313.7 63.3 11.4 +/- 0.88 12.6 +/- 0.88 0.030 / 0.030 G21 29.9 75.9 12.3 +/- 0.75 12.7 +/- 0.75 0.400 / 0.370 G24 110.6 18.9 13.3 +/- 1.56 30.1 +/- 1.56 0.410 / 0.550 G27 315.3 23.5 10.6 +/- 1.45 21.5 +/- 1.45 0.030 / 0.040 G29 168.4 23.3 13.7 +/- 1.11 27.9 +/- 1.11 0.050 / 0.040 G32 205.4 16.9 14.1 +/- 1.71 33.4 +/- 1.71 0.090 / 0.170