PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/09/26-20:43:00 G08 319.6 11.9 8.7 +/- 7.30 23.3 +/- 7.30 0.040 / 0.050 G10 314.8 57.2 9.5 +/- 1.63 11.1 +/- 1.63 0.040 / 0.050 G14 213.0 17.7 12.3 +/- 2.60 28.6 +/- 2.60 0.120 / 0.400 G15 45.6 19.4 7.9 +/- 2.29 17.6 +/- 2.29 0.130 / 0.420 G20 17.8 63.4 9.7 +/- 0.57 10.7 +/- 0.57 0.140 / 0.170 G21 118.8 67.9 11.9 +/- 0.76 12.7 +/- 0.76 0.180 / 0.250 G24 88.7 29.7 10.5 +/- 1.76 18.6 +/- 1.76 0.250 / 0.350 G27 289.8 37.4 6.6 +/- 1.72 10.1 +/- 1.72 0.190 / 0.360 G32 214.5 41.9 13.0 +/- 0.80 18.3 +/- 0.80 0.060 / 0.070