PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/08/09-02:27:40 G08 306.7 20.5 6.7 +/- 1.51 14.5 +/- 1.51 0.050 / 0.050 G10 333.0 60.1 8.2 +/- 0.56 9.3 +/- 0.56 0.050 / 0.060 G14 219.1 34.1 9.8 +/- 1.30 15.8 +/- 1.30 0.060 / 0.060 G15 47.0 11.4 6.4 +/- 1.09 17.3 +/- 1.09 0.050 / 0.110 G18 39.0 59.5 8.6 +/- 0.58 9.8 +/- 0.58 0.040 / 0.040 G21 135.3 55.4 9.7 +/- 0.79 11.5 +/- 0.79 0.030 / 0.030 G24 73.7 30.5 8.4 +/- 0.39 14.6 +/- 0.39 0.060 / 0.130 G27 270.8 37.3 9.4 +/- 1.51 14.3 +/- 1.51 0.050 / 0.150 G32 225.0 52.6 9.4 +/- 1.60 11.5 +/- 1.60 0.060 / 0.080