PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/09/14-02:12:40 G10 91.4 49.1 9.7 +/- 6.88 12.4 +/- 6.88 0.030 / 0.040 G11 293.4 27.7 7.3 +/- 7.66 13.4 +/- 7.66 0.020 / 0.030 G14 329.7 70.9 11.6 +/- 6.54 12.2 +/- 6.54 0.120 / 0.350 G18 108.5 23.5 6.1 +/- 0.66 12.4 +/- 0.66 0.110 / 0.330 G22 304.4 16.2 5.2 +/- 8.04 12.5 +/- 8.04 0.140 / 0.440 G25 90.5 12.1 5.2 +/- 1.78 13.8 +/- 1.78 0.150 / 0.400 G31 175.9 49.9 7.4 +/- 1.40 9.4 +/- 1.40 0.050 / 0.050 G32 16.8 63.1 5.1 +/- 0.94 5.6 +/- 0.94 0.040 / 0.060