PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/08/10-16:28:10 G02 209.0 45.3 10.4 +/- 0.94 13.9 +/- 0.94 0.050 / 0.080 G06 104.4 78.5 8.9 +/- 0.86 9.1 +/- 0.86 0.060 / 0.080 G12 315.3 29.6 9.3 +/- 1.23 16.5 +/- 1.23 0.080 / 0.240 G17 48.1 39.2 7.5 +/- 0.88 11.1 +/- 0.88 0.080 / 0.240 G19 18.0 59.3 8.4 +/- 0.82 9.6 +/- 0.82 0.040 / 0.040 G24 280.0 42.9 7.4 +/- 1.39 10.3 +/- 1.39 0.040 / 0.050 G28 113.7 22.6 6.5 +/- 1.63 13.3 +/- 1.63 0.080 / 0.070