PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/06/29-02:13:10 G10 257.2 31.8 10.7 +/- 1.09 18.1 +/- 1.09 0.060 / 0.060 G13 47.6 25.4 8.5 +/- 0.69 16.5 +/- 0.69 0.050 / 0.050 G15 74.5 56.1 8.6 +/- 0.45 10.1 +/- 0.45 0.130 / 0.000 G16 287.2 14.9 6.2 +/- 1.60 15.5 +/- 1.60 0.150 / 0.330 G20 276.1 51.5 9.3 +/- 0.67 11.5 +/- 0.67 0.120 / 0.450 G21 342.5 64.8 7.7 +/- 0.94 8.4 +/- 0.94 0.190 / 0.370 G26 259.6 12.4 8.4 +/- 3.63 22.1 +/- 3.63 0.030 / 0.070 G27 321.9 11.0 -11.2 +/- 29.04 -30.4 +/- 29.04 0.040 / 0.070 G29 166.9 42.6 9.6 +/- 1.24 13.4 +/- 1.24 0.080 / 0.100