PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/06/24-17:27:40 G01 37.7 10.7 8.0 +/- 3.26 22.0 +/- 3.26 0.050 / 0.070 G02 199.8 13.3 10.6 +/- 2.33 27.5 +/- 2.33 0.040 / 0.070 G06 173.0 45.7 10.2 +/- 0.82 13.7 +/- 0.82 0.110 / 0.330 G13 231.2 18.1 9.2 +/- 2.18 21.2 +/- 2.18 0.250 / 0.440 G17 9.3 66.7 8.8 +/- 1.25 9.5 +/- 1.25 0.100 / 0.150 G19 301.0 71.9 9.1 +/- 0.54 9.5 +/- 0.54 0.080 / 0.140 G24 313.8 24.2 9.1 +/- 0.88 18.0 +/- 0.88 0.200 / 0.300 G28 74.7 47.9 9.7 +/- 1.09 12.5 +/- 1.09 0.080 / 0.490 G30 155.3 19.0 8.3 +/- 2.16 18.7 +/- 2.16 0.030 / 0.030