PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/11/11-05:57:40 G01 115.4 20.4 8.6 +/- 1.19 18.6 +/- 1.19 0.040 / 0.030 G07 92.6 62.8 7.6 +/- 0.52 8.4 +/- 0.52 0.030 / 0.030 G08 42.9 25.5 3.8 +/- 0.89 7.4 +/- 0.89 0.030 / 0.040 G09 173.9 18.8 7.1 +/- 2.45 16.2 +/- 2.45 0.020 / 0.050 G11 98.9 41.4 8.5 +/- 0.52 12.1 +/- 0.52 0.090 / 0.130 G13 315.3 23.0 2.7 +/- 3.73 5.5 +/- 3.73 0.090 / 0.160 G17 201.7 31.2 7.9 +/- 1.54 13.6 +/- 1.54 0.090 / 0.210 G18 87.2 21.9 7.1 +/- 1.00 15.0 +/- 1.00 0.100 / 0.200 G28 297.7 58.0 6.1 +/- 0.83 7.0 +/- 0.83 0.130 / 0.260 G30 350.2 71.0 8.0 +/- 0.65 8.4 +/- 0.65 0.110 / 0.270