PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/02/24-00:27:30 G01 96.2 30.2 8.2 +/- 0.69 14.3 +/- 0.69 0.080 / 0.170 G07 120.2 50.3 9.5 +/- 0.36 11.9 +/- 0.36 0.090 / 0.170 G08 42.1 14.0 4.7 +/- 1.91 12.1 +/- 1.91 0.040 / 0.050 G11 78.6 43.0 8.7 +/- 0.23 12.1 +/- 0.23 0.040 / 0.060 G13 300.9 33.5 7.9 +/- 1.20 12.8 +/- 1.20 0.040 / 0.050 G17 211.6 46.5 10.4 +/- 1.99 13.8 +/- 1.99 0.040 / 0.050 G19 212.4 22.5 10.1 +/- 2.85 20.8 +/- 2.85 0.060 / 0.110 G28 340.2 61.9 6.7 +/- 0.44 7.5 +/- 0.44 0.060 / 0.100 G30 94.2 75.5 8.9 +/- 0.78 9.1 +/- 0.78 0.030 / 0.060