PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/06/11-08:58:00 G01 246.4 34.1 8.5 +/- 2.04 13.7 +/- 2.04 0.050 / 0.040 G03 315.5 49.1 4.3 +/- 0.96 5.5 +/- 0.96 0.050 / 0.040 G14 63.0 39.0 5.2 +/- 1.01 7.7 +/- 1.01 0.040 / 0.060 G16 162.2 20.0 0.7 +/- 12.88 1.6 +/- 12.88 0.050 / 0.070 G18 217.2 24.5 6.3 +/- 1.40 12.4 +/- 1.40 0.100 / 0.100 G22 298.2 70.2 5.5 +/- 0.30 5.8 +/- 0.30 0.100 / 0.120 G23 289.9 23.4 3.8 +/- 6.56 7.7 +/- 6.56 0.050 / 0.090 G26 134.7 40.1 6.4 +/- 0.68 9.4 +/- 0.68 0.050 / 0.090 G31 41.3 54.5 4.1 +/- 0.67 5.0 +/- 0.67 0.090 / 0.150 G32 78.2 23.4 3.8 +/- 2.77 7.8 +/- 2.77 0.080 / 0.120