PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/08/07-02:57:40 G08 297.1 23.0 9.4 +/- 0.89 19.2 +/- 0.89 0.060 / 0.100 G10 353.2 62.4 10.3 +/- 0.64 11.4 +/- 0.64 0.060 / 0.090 G14 225.8 43.4 13.8 +/- 1.13 19.0 +/- 1.13 0.030 / 0.040 G18 54.3 55.1 9.5 +/- 0.76 11.4 +/- 0.76 0.030 / 0.040 G21 142.9 45.6 13.6 +/- 1.13 18.2 +/- 1.13 0.060 / 0.090 G24 62.7 28.6 8.9 +/- 0.65 16.1 +/- 0.65 0.050 / 0.090 G27 258.6 34.0 12.7 +/- 1.66 20.5 +/- 1.66 0.050 / 0.070 G32 236.4 61.9 14.3 +/- 0.61 15.9 +/- 0.61 0.040 / 0.080