PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/08/01-02:12:30 G08 303.6 21.4 6.1 +/- 2.66 13.0 +/- 2.66 0.070 / 0.110 G10 344.2 61.6 8.4 +/- 0.61 9.4 +/- 0.61 0.070 / 0.080 G14 221.7 34.6 14.0 +/- 1.40 22.4 +/- 1.40 0.070 / 0.190 G20 355.0 65.0 9.9 +/- 0.73 10.8 +/- 0.73 0.080 / 0.150 G21 139.7 52.3 10.9 +/- 0.79 13.4 +/- 0.79 0.040 / 0.040 G24 65.8 28.4 5.9 +/- 0.44 10.6 +/- 0.44 0.030 / 0.040 G27 267.3 36.1 10.9 +/- 1.84 17.0 +/- 1.84 0.060 / 0.110 G32 229.6 60.1 11.3 +/- 0.90 12.8 +/- 0.90 0.060 / 0.080