PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/09/27-02:12:30 G01 294.1 39.3 7.8 +/- 4.45 11.5 +/- 4.45 0.050 / 0.080 G03 310.5 12.9 6.7 +/- 4.23 17.5 +/- 4.23 0.060 / 0.080 G10 117.3 31.8 7.2 +/- 0.69 12.2 +/- 0.69 0.090 / 0.070 G11 266.5 27.6 9.2 +/- 1.32 16.9 +/- 1.32 0.090 / 0.080 G14 22.4 59.5 7.0 +/- 1.04 8.0 +/- 1.04 0.050 / 0.070 G22 313.0 35.2 7.3 +/- 1.43 11.5 +/- 1.43 0.090 / 0.060 G25 67.1 18.0 6.3 +/- 1.41 14.5 +/- 1.41 0.080 / 0.130 G31 154.7 76.0 8.7 +/- 0.43 8.9 +/- 0.43 0.060 / 0.150 G32 45.6 46.6 5.6 +/- 1.17 7.4 +/- 1.17 0.030 / 0.030