PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/11/09-17:27:30 G10 303.8 54.5 8.7 +/- 1.28 10.4 +/- 1.28 0.140 / 0.130 G15 45.5 23.3 7.0 +/- 2.45 14.3 +/- 2.45 0.110 / 0.090 G20 5.6 64.6 -1.7 +/- 0.62 -1.9 +/- 0.62 0.040 / 0.030 G21 104.2 72.3 -3.8 +/- 0.94 -4.0 +/- 0.94 0.040 / 0.040 G24 96.5 27.8 9.0 +/- 0.98 16.5 +/- 0.98 0.070 / 0.110 G27 297.7 35.7 10.8 +/- 1.00 16.9 +/- 1.00 0.080 / 0.120 G32 210.9 36.0 11.8 +/- 0.88 18.4 +/- 0.88 0.080 / 0.040