PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/08/05-14:12:40 G01 42.4 18.2 5.2 +/- 3.70 12.0 +/- 3.70 0.030 / 0.060 G06 174.7 35.2 7.8 +/- 0.82 12.4 +/- 0.82 0.040 / 0.070 G13 239.7 25.1 5.4 +/- 2.09 10.4 +/- 2.09 0.260 / 0.250 G15 274.6 13.3 4.3 +/- 1.31 11.2 +/- 1.31 0.230 / 0.360 G17 337.6 75.1 4.8 +/- 0.39 4.9 +/- 0.39 0.030 / 0.020 G19 268.1 68.5 5.7 +/- 0.96 6.1 +/- 0.96 0.030 / 0.020 G24 317.7 15.3 3.3 +/- 1.91 8.1 +/- 1.91 0.040 / 0.040 G28 58.9 53.2 5.9 +/- 1.19 7.1 +/- 1.19 0.030 / 0.040 G30 153.4 31.2 7.6 +/- 0.83 13.0 +/- 0.83 0.070 / 0.110