PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/08/10-09:27:30 G07 333.6 58.7 3.8 +/- 1.02 4.3 +/- 1.02 0.070 / 0.210 G08 110.7 51.2 6.2 +/- 0.68 7.8 +/- 0.68 0.080 / 0.210 G09 197.2 77.0 5.4 +/- 0.82 5.6 +/- 0.82 0.050 / 0.080 G11 147.9 12.1 3.2 +/- 2.45 8.6 +/- 2.45 0.050 / 0.080 G23 153.3 41.5 6.1 +/- 0.67 8.6 +/- 0.67 0.030 / 0.060 G27 58.6 33.4 3.0 +/- 0.66 4.9 +/- 0.66 0.030 / 0.040 G28 233.4 21.1 4.8 +/- 1.25 10.3 +/- 1.25 0.160 / 0.340 G30 299.7 33.5 4.7 +/- 1.83 7.7 +/- 1.83 0.110 / 0.350