PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/09/24-11:28:00 G02 200.8 19.7 5.7 +/- 3.06 12.8 +/- 3.06 0.150 / 0.200 G06 168.4 55.1 6.2 +/- 0.62 7.4 +/- 0.62 0.170 / 0.250 G13 225.4 13.1 4.0 +/- 6.52 10.6 +/- 6.52 0.040 / 0.040 G17 19.9 60.8 5.3 +/- 0.43 6.0 +/- 0.43 0.040 / 0.050 G19 330.7 71.3 4.4 +/- 0.91 4.6 +/- 0.91 0.240 / 0.670 G24 310.1 28.7 3.5 +/- 2.75 6.3 +/- 2.75 0.140 / 0.780 G28 82.9 45.4 4.2 +/- 1.19 5.6 +/- 1.19 0.050 / 0.040 G30 157.8 15.6 4.0 +/- 2.23 9.7 +/- 2.23 0.040 / 0.040