PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/11/29-07:27:40 G01 61.1 30.8 3.3 +/- 0.92 5.7 +/- 0.92 0.030 / 0.050 G06 183.1 11.1 -10.9 +/- 25.75 -29.7 +/- 25.75 0.030 / 0.050 G07 141.8 22.4 6.9 +/- 1.77 14.4 +/- 1.77 0.120 / 0.120 G11 48.9 24.2 3.0 +/- 2.15 6.0 +/- 2.15 0.070 / 0.100 G13 265.4 35.2 5.5 +/- 2.20 8.6 +/- 2.20 0.020 / 0.020 G15 294.5 16.7 2.6 +/- 0.96 6.1 +/- 0.96 0.020 / 0.020 G17 259.5 77.0 5.3 +/- 0.38 5.5 +/- 0.38 0.110 / 0.210 G19 232.2 51.4 5.8 +/- 2.25 7.2 +/- 2.25 0.110 / 0.210 G28 35.4 56.6 5.3 +/- 0.78 6.2 +/- 0.78 0.070 / 0.080 G30 142.5 52.2 6.9 +/- 0.60 8.5 +/- 0.60 0.070 / 0.090