PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/09/12-21:57:50 G08 314.5 15.7 10.8 +/- 3.51 26.4 +/- 3.51 0.070 / 0.080 G10 329.3 59.8 11.6 +/- 1.04 13.2 +/- 1.04 0.060 / 0.070 G14 216.2 25.6 15.8 +/- 2.16 30.4 +/- 2.16 0.040 / 0.060 G15 46.4 13.4 7.5 +/- 0.84 19.4 +/- 0.84 0.030 / 0.050 G20 33.5 61.0 11.0 +/- 0.37 12.4 +/- 0.37 0.120 / 0.280 G21 130.8 60.9 13.0 +/- 1.02 14.7 +/- 1.02 0.090 / 0.310 G24 79.1 30.6 13.1 +/- 0.81 22.6 +/- 0.81 0.190 / 0.430 G27 279.4 38.0 12.5 +/- 1.80 18.8 +/- 1.80 0.180 / 0.390 G32 219.9 49.6 14.8 +/- 1.49 18.8 +/- 1.49 0.060 / 0.160