PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/07/10-07:58:10 G01 223.5 15.5 4.6 +/- 6.09 11.3 +/- 6.09 0.040 / 0.040 G03 279.7 69.9 3.3 +/- 0.59 3.5 +/- 0.59 0.040 / 0.040 G14 87.8 23.4 3.8 +/- 2.64 7.8 +/- 2.64 0.040 / 0.040 G16 144.6 46.4 4.7 +/- 0.52 6.2 +/- 0.52 0.040 / 0.040 G22 211.9 68.5 4.1 +/- 0.48 4.3 +/- 0.48 0.330 / 0.320 G23 311.5 42.5 3.5 +/- 1.33 4.9 +/- 1.33 0.240 / 0.280 G26 93.9 54.4 3.6 +/- 0.84 4.3 +/- 0.84 0.150 / 0.180 G31 46.7 29.1 1.9 +/- 2.27 3.5 +/- 2.27 0.130 / 0.190