PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/10/19-01:13:10 G01 220.0 12.6 10.9 +/- 3.00 28.6 +/- 3.00 0.040 / 0.040 G03 274.1 69.5 5.0 +/- 0.64 5.3 +/- 0.64 0.040 / 0.040 G09 298.0 13.2 8.2 +/- 4.80 21.2 +/- 4.80 0.040 / 0.060 G14 89.6 23.8 4.5 +/- 0.98 9.0 +/- 0.98 0.040 / 0.080 G16 137.6 50.6 8.3 +/- 0.76 10.4 +/- 0.76 0.080 / 0.190 G22 210.2 66.0 6.8 +/- 0.62 7.4 +/- 0.62 0.090 / 0.200 G23 312.2 42.2 6.1 +/- 0.79 8.5 +/- 0.79 0.200 / 0.420 G26 85.7 54.1 4.5 +/- 0.38 5.4 +/- 0.38 0.160 / 0.430 G31 48.1 26.2 3.9 +/- 1.44 7.3 +/- 1.44 0.030 / 0.040