PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/09/26-20:27:30 G10 303.5 54.4 9.9 +/- 1.34 11.9 +/- 1.34 0.040 / 0.040 G14 211.0 11.5 -2.5 +/- 26.73 -6.8 +/- 26.73 0.040 / 0.040 G15 45.8 25.4 8.7 +/- 2.04 16.9 +/- 2.04 0.210 / 0.520 G20 2.4 64.8 9.6 +/- 0.66 10.5 +/- 0.66 0.120 / 0.550 G21 102.9 73.0 11.1 +/- 0.81 11.6 +/- 0.81 0.150 / 0.180 G24 96.5 27.7 10.0 +/- 1.71 18.4 +/- 1.71 0.140 / 0.130 G27 297.9 35.5 10.6 +/- 0.81 16.7 +/- 0.81 0.080 / 0.110 G32 211.1 35.2 12.8 +/- 2.12 20.2 +/- 2.12 0.080 / 0.080