PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/09/07-02:28:00 G01 318.0 20.0 9.9 +/- 1.61 21.8 +/- 1.61 0.030 / 0.030 G08 253.7 11.9 15.3 +/- 3.36 41.0 +/- 3.36 0.040 / 0.030 G10 82.5 52.8 10.2 +/- 1.16 12.5 +/- 1.16 0.160 / 0.250 G11 299.5 25.7 10.4 +/- 2.74 20.0 +/- 2.74 0.420 / 0.350 G14 309.8 71.6 9.5 +/- 0.79 9.9 +/- 0.79 0.230 / 0.220 G18 103.5 28.0 10.2 +/- 1.86 18.7 +/- 1.86 0.120 / 0.270 G22 301.5 12.0 8.9 +/- 10.28 23.9 +/- 10.28 0.050 / 0.050 G25 95.8 9.4 -16.1 +/- 15.26 -45.4 +/- 15.26 0.030 / 0.040 G31 177.0 43.2 12.3 +/- 1.01 17.0 +/- 1.01 0.040 / 0.040 G32 6.4 67.2 9.1 +/- 0.40 9.7 +/- 0.40 0.050 / 0.050