PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/09/16-02:43:10 G01 301.3 36.5 7.5 +/- 1.74 11.5 +/- 1.74 0.050 / 0.050 G10 111.6 36.7 7.0 +/- 0.59 10.7 +/- 0.59 0.040 / 0.050 G11 273.4 29.0 6.6 +/- 0.72 11.7 +/- 0.72 0.060 / 0.080 G14 12.2 63.1 6.4 +/- 0.73 7.1 +/- 0.73 0.070 / 0.110 G18 120.7 10.4 5.0 +/- 2.00 13.9 +/- 2.00 0.070 / 0.090 G22 311.4 30.1 5.6 +/- 1.14 9.8 +/- 1.14 0.100 / 0.110 G25 73.2 17.3 6.4 +/- 1.46 15.0 +/- 1.46 0.040 / 0.060 G31 165.2 69.8 7.1 +/- 0.37 7.5 +/- 0.37 0.040 / 0.040 G32 39.4 50.6 5.3 +/- 2.04 6.6 +/- 2.04 0.030 / 0.020