PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/10/03-01:58:10 G01 288.0 40.6 5.7 +/- 1.14 8.3 +/- 1.14 0.040 / 0.050 G03 312.3 16.8 6.6 +/- 1.83 15.6 +/- 1.83 0.050 / 0.050 G10 121.2 28.0 5.9 +/- 0.55 10.8 +/- 0.55 0.050 / 0.100 G11 261.5 26.2 9.4 +/- 1.74 17.9 +/- 1.74 0.040 / 0.080 G14 29.2 56.6 3.7 +/- 0.94 4.3 +/- 0.94 0.050 / 0.080 G22 313.9 39.3 5.4 +/- 2.64 8.0 +/- 2.64 0.040 / 0.080 G25 62.4 18.0 5.1 +/- 0.49 11.8 +/- 0.49 0.040 / 0.060 G26 158.8 12.9 7.9 +/- 2.82 20.7 +/- 2.82 0.040 / 0.080 G31 137.5 79.9 7.8 +/- 1.10 7.9 +/- 1.10 0.030 / 0.030 G32 50.2 43.6 3.4 +/- 0.51 4.7 +/- 0.51 0.030 / 0.030