PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/07/10-02:13:10 G10 279.0 44.5 12.3 +/- 1.27 16.7 +/- 1.27 0.080 / 0.130 G15 51.5 42.1 9.0 +/- 0.96 12.7 +/- 0.96 0.080 / 0.130 G20 300.1 57.3 10.3 +/- 0.67 12.0 +/- 0.67 0.070 / 0.050 G21 33.9 76.8 11.5 +/- 0.51 11.7 +/- 0.51 0.060 / 0.060 G24 110.1 20.2 12.1 +/- 0.55 26.5 +/- 0.55 0.040 / 0.040 G27 312.7 26.5 9.5 +/- 1.61 17.9 +/- 1.61 0.050 / 0.040 G29 169.0 21.3 12.2 +/- 2.54 25.9 +/- 2.54 0.090 / 0.150 G32 205.8 20.5 14.4 +/- 3.16 31.2 +/- 3.16 0.080 / 0.150