PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/10/29-05:13:10 G07 44.5 69.6 5.0 +/- 0.49 5.3 +/- 0.49 0.040 / 0.050 G08 53.7 42.5 5.0 +/- 1.27 7.0 +/- 1.27 0.040 / 0.050 G09 176.1 37.7 6.5 +/- 1.15 9.9 +/- 1.15 0.280 / 0.340 G11 124.9 34.1 7.1 +/- 1.16 11.5 +/- 1.16 0.160 / 0.330 G17 199.1 11.0 -4.5 +/- 18.16 -12.3 +/- 18.16 0.030 / 0.040 G23 160.6 10.9 3.3 +/- 5.66 9.0 +/- 5.66 0.030 / 0.030 G27 37.6 10.0 4.0 +/- 3.57 11.3 +/- 3.57 0.070 / 0.120 G28 263.8 44.3 3.7 +/- 2.35 5.1 +/- 2.35 0.070 / 0.110 G30 325.4 55.4 4.7 +/- 1.14 5.5 +/- 1.14 0.070 / 0.110