PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/06/26-08:27:50 G01 233.1 24.7 6.1 +/- 2.01 11.9 +/- 2.01 0.030 / 0.040 G03 305.6 61.7 4.4 +/- 0.76 5.0 +/- 0.76 0.030 / 0.030 G14 76.5 30.8 3.6 +/- 1.25 6.2 +/- 1.25 0.040 / 0.040 G16 154.5 33.7 4.8 +/- 1.77 7.8 +/- 1.77 0.050 / 0.050 G18 208.5 13.8 5.7 +/- 2.15 14.6 +/- 2.15 0.130 / 0.190 G22 250.9 75.7 5.8 +/- 0.45 6.0 +/- 0.45 0.110 / 0.200 G23 301.1 33.0 3.8 +/- 0.80 6.3 +/- 0.80 0.090 / 0.140 G26 116.8 50.2 5.2 +/- 0.89 6.5 +/- 0.89 0.100 / 0.110 G31 42.6 40.5 2.5 +/- 1.50 3.6 +/- 1.50 0.060 / 0.130 G32 90.1 14.3 4.0 +/- 3.11 10.1 +/- 3.11 0.060 / 0.110