PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/07/10-02:42:50 G10 296.5 51.5 11.5 +/- 2.02 14.2 +/- 2.02 0.050 / 0.080 G15 46.5 30.5 8.2 +/- 1.12 14.2 +/- 1.12 0.050 / 0.070 G20 325.0 62.5 14.3 +/- 0.40 15.9 +/- 0.40 0.070 / 0.120 G21 92.4 75.2 11.3 +/- 0.40 11.7 +/- 0.40 0.080 / 0.130 G24 97.0 26.2 9.3 +/- 1.06 17.8 +/- 1.06 0.040 / 0.030 G27 301.1 34.0 9.2 +/- 2.11 15.0 +/- 2.11 0.040 / 0.030 G32 210.0 33.2 13.2 +/- 1.63 21.7 +/- 1.63 0.070 / 0.080