PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/09/10-21:42:40 G10 310.4 56.2 7.7 +/- 1.61 9.1 +/- 1.61 0.170 / 0.350 G14 212.1 15.9 16.4 +/- 1.63 39.8 +/- 1.63 0.240 / 0.260 G15 45.7 22.9 7.4 +/- 2.15 15.2 +/- 2.15 0.030 / 0.040 G20 11.3 64.1 9.8 +/- 0.59 10.7 +/- 0.59 0.030 / 0.040 G21 113.6 70.0 11.3 +/- 0.75 11.9 +/- 0.75 0.070 / 0.250 G24 91.4 29.0 9.7 +/- 1.69 17.3 +/- 1.69 0.110 / 0.270 G27 293.0 36.8 10.5 +/- 3.04 16.2 +/- 3.04 0.090 / 0.050 G32 213.3 39.1 12.4 +/- 1.27 18.3 +/- 1.27 0.100 / 0.070