PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/06/08-02:58:00 G10 265.0 38.1 11.1 +/- 1.36 16.7 +/- 1.36 0.240 / 0.280 G13 42.6 19.0 7.5 +/- 2.79 16.8 +/- 2.79 0.280 / 0.320 G15 60.5 49.3 7.8 +/- 0.70 10.0 +/- 0.70 0.070 / 0.070 G16 283.0 12.8 8.7 +/- 1.46 22.7 +/- 1.46 0.070 / 0.080 G20 293.8 59.2 9.1 +/- 1.21 10.4 +/- 1.21 0.040 / 0.040 G21 359.0 70.4 8.9 +/- 0.53 9.4 +/- 0.53 0.040 / 0.040 G24 122.3 13.0 9.9 +/- 2.39 25.8 +/- 2.39 0.100 / 0.260 G27 320.1 16.2 6.9 +/- 2.65 16.6 +/- 2.65 0.110 / 0.320 G29 165.9 31.6 10.2 +/- 0.62 17.4 +/- 0.62 0.100 / 0.450