PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/08/09-05:27:50 G01 232.7 24.6 6.3 +/- 2.42 12.4 +/- 2.42 0.030 / 0.040 G03 306.6 60.0 4.2 +/- 0.94 4.8 +/- 0.94 0.030 / 0.040 G14 75.9 31.7 2.3 +/- 1.27 3.9 +/- 1.27 0.100 / 0.320 G16 153.1 34.4 6.1 +/- 2.19 9.7 +/- 2.19 0.190 / 0.200 G18 208.7 13.8 7.5 +/- 3.08 19.3 +/- 3.08 0.070 / 0.120 G22 257.2 75.0 5.2 +/- 1.05 5.4 +/- 1.05 0.060 / 0.120 G23 301.3 33.3 3.5 +/- 1.04 5.7 +/- 1.04 0.090 / 0.130 G26 115.4 50.2 6.2 +/- 0.62 7.8 +/- 0.62 0.100 / 0.120 G31 42.7 40.0 3.3 +/- 1.37 4.7 +/- 1.37 0.050 / 0.050 G32 90.6 13.0 3.3 +/- 3.61 8.5 +/- 3.61 0.050 / 0.040