PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/08/17-00:57:50 G08 286.2 21.2 7.7 +/- 1.58 16.4 +/- 1.58 0.040 / 0.080 G10 36.0 61.4 7.5 +/- 0.49 8.4 +/- 0.49 0.050 / 0.070 G14 240.9 54.9 8.2 +/- 1.07 9.7 +/- 1.07 0.080 / 0.170 G18 317.2 20.3 6.4 +/- 1.69 13.9 +/- 1.69 0.110 / 0.150 G20 80.6 45.4 7.1 +/- 0.48 9.5 +/- 0.48 0.030 / 0.030 G21 151.9 29.9 8.9 +/- 0.90 15.6 +/- 0.90 0.030 / 0.030 G24 47.6 20.0 6.5 +/- 0.87 14.3 +/- 0.87 0.050 / 0.150 G27 243.4 25.5 10.4 +/- 1.95 20.0 +/- 1.95 0.070 / 0.150 G31 180.2 17.7 5.1 +/- 1.51 11.8 +/- 1.51 0.080 / 0.160 G32 277.7 75.0 8.5 +/- 0.63 8.8 +/- 0.63 0.080 / 0.150