PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/11/30-04:27:50 G01 90.9 30.2 8.2 +/- 1.11 14.3 +/- 1.11 0.030 / 0.020 G07 122.3 48.2 8.3 +/- 1.24 10.7 +/- 1.24 0.030 / 0.020 G11 75.4 44.2 7.9 +/- 0.89 10.7 +/- 0.89 0.040 / 0.050 G13 296.7 36.5 6.8 +/- 3.33 10.4 +/- 3.33 0.040 / 0.050 G17 210.8 51.1 10.4 +/- 1.13 13.0 +/- 1.13 0.060 / 0.050 G19 212.0 26.7 7.7 +/- 1.12 14.5 +/- 1.12 0.050 / 0.040 G28 324.7 60.2 6.1 +/- 0.56 7.0 +/- 0.56 0.160 / 0.220 G30 76.6 81.3 8.4 +/- 1.34 8.5 +/- 1.34 0.120 / 0.200