PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/10/11-02:12:50 G01 259.2 38.5 6.8 +/- 1.74 10.1 +/- 1.74 0.240 / 0.310 G03 316.4 35.3 4.0 +/- 0.90 6.4 +/- 0.90 0.240 / 0.300 G10 134.3 10.8 5.3 +/- 2.83 14.5 +/- 2.83 0.050 / 0.090 G11 241.6 16.6 5.7 +/- 2.88 13.6 +/- 2.88 0.050 / 0.090 G14 54.2 43.8 3.5 +/- 1.07 4.9 +/- 1.07 0.030 / 0.050 G22 311.2 58.8 4.7 +/- 0.94 5.4 +/- 0.94 0.030 / 0.040 G25 43.4 12.4 4.2 +/- 1.06 11.2 +/- 1.06 0.120 / 0.180 G26 146.7 30.3 9.1 +/- 1.84 15.8 +/- 1.84 0.130 / 0.220 G31 43.7 69.6 5.7 +/- 0.28 6.0 +/- 0.28 0.050 / 0.110 G32 69.8 29.9 4.3 +/- 0.98 7.5 +/- 0.98 0.060 / 0.080