PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/10/24-04:27:50 G07 335.0 59.1 3.5 +/- 0.87 4.0 +/- 0.87 0.080 / 0.090 G08 99.5 51.8 6.2 +/- 0.50 7.7 +/- 0.50 0.090 / 0.100 G09 183.3 71.4 5.0 +/- 1.03 5.2 +/- 1.03 0.030 / 0.030 G11 147.5 13.7 3.8 +/- 1.72 9.8 +/- 1.72 0.040 / 0.030 G23 155.6 41.1 5.2 +/- 0.88 7.4 +/- 0.88 0.040 / 0.050 G27 55.0 31.5 4.2 +/- 1.85 7.1 +/- 1.85 0.040 / 0.040 G28 235.3 22.3 4.8 +/- 2.02 9.9 +/- 2.02 0.040 / 0.050 G30 300.7 33.1 1.4 +/- 1.01 2.3 +/- 1.01 0.040 / 0.050