PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/10/26-07:42:50 G01 63.0 30.7 5.4 +/- 1.01 9.2 +/- 1.01 0.030 / 0.040 G06 180.0 11.4 -2.6 +/- 32.24 -7.0 +/- 32.24 0.030 / 0.040 G07 139.8 25.7 5.4 +/- 1.01 10.3 +/- 1.01 0.120 / 0.220 G11 51.2 29.9 5.1 +/- 1.72 9.0 +/- 1.72 0.200 / 0.240 G13 266.3 37.7 6.9 +/- 2.96 10.4 +/- 2.96 0.030 / 0.020 G15 296.6 16.5 4.9 +/- 2.15 11.7 +/- 2.15 0.030 / 0.030 G17 242.0 73.0 8.4 +/- 0.34 8.7 +/- 0.34 0.070 / 0.110 G19 227.5 49.1 7.5 +/- 2.33 9.5 +/- 2.33 0.070 / 0.110 G28 13.1 60.8 6.9 +/- 2.03 7.8 +/- 2.03 0.050 / 0.050 G30 141.2 59.9 8.0 +/- 0.39 9.1 +/- 0.39 0.050 / 0.050