PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/06/28-02:58:10 G08 318.5 12.9 6.9 +/- 1.73 18.1 +/- 1.73 0.040 / 0.040 G10 316.9 57.5 8.3 +/- 0.58 9.6 +/- 0.58 0.040 / 0.050 G14 213.3 21.6 11.9 +/- 1.56 25.1 +/- 1.56 0.050 / 0.080 G15 45.7 17.5 6.3 +/- 1.57 14.7 +/- 1.57 0.050 / 0.090 G20 17.7 63.5 9.3 +/- 0.75 10.3 +/- 0.75 0.040 / 0.030 G21 121.8 66.1 10.5 +/- 0.66 11.4 +/- 0.66 0.050 / 0.030 G24 85.5 29.6 8.6 +/- 0.85 15.2 +/- 0.85 0.110 / 0.270 G27 288.5 37.3 9.3 +/- 1.35 14.1 +/- 1.35 0.100 / 0.250 G32 216.0 40.9 11.7 +/- 1.48 16.8 +/- 1.48 0.150 / 0.270