PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/08/29-14:12:30 G02 201.5 18.1 8.0 +/- 1.40 18.4 +/- 1.40 0.180 / 0.240 G06 167.2 56.2 8.4 +/- 0.75 9.9 +/- 0.75 0.150 / 0.250 G13 226.6 12.8 7.0 +/- 4.08 18.3 +/- 4.08 0.080 / 0.110 G17 25.0 58.0 6.1 +/- 0.35 7.0 +/- 0.35 0.080 / 0.120 G19 310.9 70.1 5.9 +/- 0.72 6.3 +/- 0.72 0.030 / 0.040 G24 308.7 31.4 5.4 +/- 1.14 9.2 +/- 1.14 0.040 / 0.040 G28 88.0 39.7 7.6 +/- 0.66 11.0 +/- 0.66 0.180 / 0.420 G30 157.9 16.0 9.4 +/- 1.94 22.7 +/- 1.94 0.110 / 0.500