PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/06/10-12:28:00 G03 188.6 18.4 4.5 +/- 3.30 10.3 +/- 3.30 0.240 / 0.350 G07 295.6 43.0 6.0 +/- 3.48 8.4 +/- 3.48 0.270 / 0.350 G08 141.4 28.7 7.1 +/- 1.32 12.7 +/- 1.32 0.170 / 0.110 G09 319.9 63.1 5.1 +/- 0.58 5.6 +/- 0.58 0.120 / 0.140 G16 43.1 38.3 4.5 +/- 1.03 6.8 +/- 1.03 0.050 / 0.080 G23 122.4 75.6 4.9 +/- 0.63 5.0 +/- 0.63 0.060 / 0.060 G26 44.1 10.9 5.0 +/- 2.99 13.7 +/- 2.99 0.030 / 0.030 G27 99.2 34.2 5.8 +/- 1.17 9.4 +/- 1.17 0.030 / 0.030 G30 276.3 16.5 5.5 +/- 2.51 13.3 +/- 2.51 0.040 / 0.030