PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/09/09-01:13:00 G01 319.7 16.4 8.2 +/- 1.44 19.7 +/- 1.44 0.040 / 0.050 G08 257.8 14.1 9.2 +/- 4.03 23.3 +/- 4.03 0.040 / 0.050 G10 77.1 53.9 8.9 +/- 0.45 10.8 +/- 0.45 0.080 / 0.190 G11 304.1 22.7 7.9 +/- 1.39 16.4 +/- 1.39 0.090 / 0.210 G14 288.8 69.7 8.7 +/- 0.58 9.2 +/- 0.58 0.190 / 0.270 G18 305.8 39.8 9.2 +/- 1.88 13.4 +/- 1.88 0.170 / 0.240 G20 103.7 30.4 8.2 +/- 0.66 14.2 +/- 0.66 0.120 / 0.380 G31 175.7 40.8 10.3 +/- 1.06 14.8 +/- 1.06 0.120 / 0.340 G32 6.9 68.0 7.2 +/- 0.38 7.7 +/- 0.38 0.060 / 0.100