PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/09/26-09:43:10 G01 64.2 31.1 4.3 +/- 0.90 7.4 +/- 0.90 0.080 / 0.130 G07 139.3 25.6 5.9 +/- 1.44 11.4 +/- 1.44 0.070 / 0.130 G11 51.3 29.7 4.0 +/- 1.02 7.1 +/- 1.02 0.040 / 0.030 G13 267.5 37.8 5.8 +/- 2.67 8.8 +/- 2.67 0.040 / 0.030 G15 298.7 15.8 2.3 +/- 1.55 5.6 +/- 1.55 0.120 / 0.100 G17 239.0 71.0 7.4 +/- 0.34 7.8 +/- 0.34 0.090 / 0.070 G18 45.1 15.7 3.8 +/- 2.12 9.3 +/- 2.12 0.120 / 0.240 G19 226.7 48.1 6.3 +/- 2.39 8.1 +/- 2.39 0.140 / 0.270 G28 12.7 60.8 5.1 +/- 1.76 5.8 +/- 1.76 0.040 / 0.030 G30 140.2 59.7 7.3 +/- 0.43 8.3 +/- 0.43 0.030 / 0.030