PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/09/30-01:27:50 G01 243.1 32.9 9.3 +/- 1.82 15.3 +/- 1.82 0.040 / 0.040 G03 315.2 47.4 5.7 +/- 0.87 7.4 +/- 0.87 0.040 / 0.050 G14 62.6 40.4 6.0 +/- 0.58 8.6 +/- 0.58 0.070 / 0.120 G16 158.9 23.3 6.6 +/- 1.87 13.4 +/- 1.87 0.080 / 0.100 G18 216.5 23.2 8.1 +/- 1.03 16.5 +/- 1.03 0.050 / 0.100 G22 298.0 68.5 6.8 +/- 1.46 7.2 +/- 1.46 0.050 / 0.110 G23 290.9 23.6 7.2 +/- 1.96 14.6 +/- 1.96 0.090 / 0.250 G26 130.9 42.1 9.7 +/- 0.79 13.6 +/- 0.79 0.100 / 0.290 G31 41.3 52.0 5.0 +/- 0.61 6.1 +/- 0.61 0.070 / 0.160 G32 81.3 19.3 4.9 +/- 1.45 10.9 +/- 1.45 0.080 / 0.160