PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/07/08-02:12:40 G10 274.1 42.1 12.6 +/- 1.11 17.7 +/- 1.11 0.090 / 0.120 G13 39.4 13.3 7.7 +/- 2.54 19.8 +/- 2.54 0.130 / 0.110 G15 54.4 45.5 9.9 +/- 0.72 13.2 +/- 0.72 0.050 / 0.030 G20 294.8 56.1 11.3 +/- 0.83 13.3 +/- 0.83 0.040 / 0.040 G21 18.2 75.1 12.0 +/- 0.70 12.4 +/- 0.70 0.080 / 0.170 G24 113.9 17.9 10.8 +/- 1.34 25.1 +/- 1.34 0.090 / 0.160 G27 315.3 23.6 9.3 +/- 1.61 18.8 +/- 1.61 0.290 / 0.310 G29 168.9 25.5 12.6 +/- 1.66 24.4 +/- 1.66 0.200 / 0.310 G32 204.9 16.6 16.2 +/- 3.24 38.7 +/- 3.24 0.040 / 0.040