PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/09/13-01:13:00 G01 293.6 40.9 6.2 +/- 0.73 8.9 +/- 0.73 0.070 / 0.140 G03 310.5 13.6 5.5 +/- 1.59 14.3 +/- 1.59 0.090 / 0.120 G10 116.9 29.5 7.0 +/- 0.80 12.4 +/- 0.80 0.060 / 0.100 G11 270.3 25.6 7.5 +/- 1.69 14.5 +/- 1.69 0.050 / 0.090 G14 14.4 62.2 5.3 +/- 0.74 5.9 +/- 0.74 0.040 / 0.060 G18 256.7 48.9 6.7 +/- 0.82 8.5 +/- 0.82 0.040 / 0.060 G22 313.2 34.0 4.3 +/- 2.66 7.0 +/- 2.66 0.110 / 0.130 G25 71.6 18.5 5.0 +/- 0.77 11.4 +/- 0.77 0.090 / 0.140 G31 136.2 76.7 7.7 +/- 0.59 7.9 +/- 0.59 0.040 / 0.070 G32 47.8 44.1 5.2 +/- 0.67 7.1 +/- 0.67 0.050 / 0.070