PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/11/11-05:13:10 G07 39.7 69.3 7.1 +/- 0.63 7.5 +/- 0.63 0.040 / 0.050 G08 53.7 41.6 6.0 +/- 0.68 8.5 +/- 0.68 0.040 / 0.040 G09 175.6 38.9 10.0 +/- 0.81 14.8 +/- 0.81 0.030 / 0.030 G11 122.3 32.4 8.5 +/- 1.45 14.2 +/- 1.45 0.030 / 0.030 G17 198.4 11.5 -0.7 +/- 19.89 -2.0 +/- 19.89 0.070 / 0.190 G18 106.5 13.8 7.6 +/- 2.06 19.4 +/- 2.06 0.080 / 0.130 G23 161.4 14.8 6.8 +/- 1.34 17.1 +/- 1.34 0.120 / 0.250 G27 38.8 13.6 1.3 +/- 1.11 3.3 +/- 1.11 0.160 / 0.260 G28 266.0 48.3 8.2 +/- 0.88 10.5 +/- 0.88 0.190 / 0.350 G30 324.8 54.5 6.7 +/- 0.61 8.0 +/- 0.61 0.170 / 0.320