PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/11/28-16:42:40 G10 285.4 47.7 6.7 +/- 1.05 8.7 +/- 1.05 0.070 / 0.120 G15 49.0 37.8 5.4 +/- 0.58 8.2 +/- 0.58 0.080 / 0.090 G20 331.2 64.9 5.9 +/- 0.96 6.4 +/- 0.96 0.040 / 0.040 G21 69.5 75.9 7.5 +/- 0.76 7.7 +/- 0.76 0.040 / 0.050 G24 102.1 22.5 9.7 +/- 1.06 20.1 +/- 1.06 0.120 / 0.260 G27 310.5 27.9 7.1 +/- 2.11 12.9 +/- 2.11 0.120 / 0.330 G29 167.9 14.9 8.7 +/- 0.98 21.6 +/- 0.98 0.090 / 0.210 G32 207.5 22.9 8.2 +/- 1.71 16.8 +/- 1.71 0.080 / 0.320