PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/08/12-03:13:00 G01 318.9 18.3 5.0 +/- 1.07 11.4 +/- 1.07 0.220 / 0.380 G08 255.8 12.9 10.6 +/- 2.28 27.7 +/- 2.28 0.140 / 0.350 G10 80.6 52.8 7.3 +/- 0.59 9.0 +/- 0.59 0.110 / 0.210 G11 302.0 23.8 7.7 +/- 1.36 15.4 +/- 1.36 0.130 / 0.200 G14 294.7 70.0 7.5 +/- 0.63 7.9 +/- 0.63 0.050 / 0.060 G18 304.1 40.8 7.4 +/- 1.48 10.6 +/- 1.48 0.040 / 0.070 G20 88.9 57.0 10.8 +/- 1.84 12.6 +/- 1.84 0.090 / 0.210 G22 300.9 10.3 1.8 +/- 10.35 5.0 +/- 10.35 0.090 / 0.270 G31 173.8 44.4 10.7 +/- 1.01 14.5 +/- 1.01 0.210 / 0.340 G32 12.6 65.9 4.1 +/- 0.66 4.5 +/- 0.66 0.260 / 0.290