PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/09/25-00:58:00 G01 271.7 42.7 8.0 +/- 2.70 11.1 +/- 2.70 0.090 / 0.070 G03 315.3 26.3 6.8 +/- 1.28 12.9 +/- 1.28 0.040 / 0.060 G10 128.0 17.1 7.1 +/- 1.81 16.8 +/- 1.81 0.050 / 0.050 G11 254.6 20.2 8.9 +/- 2.77 19.5 +/- 2.77 0.050 / 0.050 G14 36.7 53.7 7.6 +/- 1.74 9.2 +/- 1.74 0.060 / 0.080 G18 235.7 40.7 9.4 +/- 1.27 13.5 +/- 1.27 0.040 / 0.090 G22 314.5 47.8 7.5 +/- 1.02 9.7 +/- 1.02 0.060 / 0.120 G25 55.9 17.5 7.1 +/- 1.37 16.5 +/- 1.37 0.080 / 0.150 G31 61.4 74.4 8.3 +/- 0.38 8.6 +/- 0.38 0.050 / 0.070 G32 62.0 33.6 7.3 +/- 0.54 11.9 +/- 0.54 0.070 / 0.070