PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/09/23-23:12:50 G01 319.4 18.2 6.0 +/- 4.62 13.9 +/- 4.62 0.190 / 0.190 G08 261.5 14.4 9.3 +/- 1.28 23.6 +/- 1.28 0.130 / 0.180 G10 78.1 52.4 8.4 +/- 0.94 10.3 +/- 0.94 0.040 / 0.040 G11 306.1 20.7 6.5 +/- 1.78 14.1 +/- 1.78 0.030 / 0.050 G14 283.8 68.6 8.1 +/- 0.68 8.6 +/- 0.68 0.070 / 0.080 G18 306.3 39.6 6.9 +/- 2.12 10.2 +/- 2.12 0.070 / 0.090 G20 104.5 29.2 10.8 +/- 0.64 19.2 +/- 0.64 0.030 / 0.030 G31 175.0 40.9 10.0 +/- 1.10 14.3 +/- 1.10 0.030 / 0.020 G32 5.1 68.7 7.2 +/- 0.74 7.6 +/- 0.74 0.150 / 0.320