PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/08/23-01:58:10 G01 311.7 30.5 7.6 +/- 1.55 13.3 +/- 1.55 0.100 / 0.140 G10 99.1 42.8 10.2 +/- 0.65 14.2 +/- 0.65 0.120 / 0.120 G11 290.0 26.5 11.0 +/- 2.86 20.7 +/- 2.86 0.050 / 0.050 G14 335.2 69.9 8.5 +/- 0.36 9.0 +/- 0.36 0.060 / 0.040 G18 287.0 48.8 1.8 +/- 6.53 2.3 +/- 6.53 0.050 / 0.070 G20 116.5 18.5 8.8 +/- 0.98 20.0 +/- 0.98 0.040 / 0.070 G22 307.3 19.6 7.2 +/- 1.48 16.0 +/- 1.48 0.200 / 0.370 G25 89.8 14.0 7.3 +/- 2.78 18.7 +/- 2.78 0.200 / 0.370 G31 168.4 58.7 10.4 +/- 0.99 11.9 +/- 0.99 0.040 / 0.030 G32 28.2 57.5 7.4 +/- 0.83 8.6 +/- 0.83 0.040 / 0.020