PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/07/10-02:42:40 G10 296.5 51.5 12.5 +/- 1.17 15.5 +/- 1.17 0.060 / 0.100 G15 46.5 30.5 7.8 +/- 0.64 13.4 +/- 0.64 0.070 / 0.090 G20 325.0 62.5 9.9 +/- 0.90 11.1 +/- 0.90 0.050 / 0.050 G21 92.4 75.2 11.2 +/- 0.37 11.6 +/- 0.37 0.040 / 0.050 G24 97.0 26.2 10.9 +/- 0.90 20.6 +/- 0.90 0.050 / 0.040 G27 301.1 34.0 11.7 +/- 1.05 19.0 +/- 1.05 0.050 / 0.040 G32 210.0 33.2 13.9 +/- 2.12 22.7 +/- 2.12 0.080 / 0.140