PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/11/11-16:58:00 G10 289.0 49.9 15.5 +/- 3.14 19.6 +/- 3.14 0.070 / 0.100 G15 47.2 31.9 11.8 +/- 1.07 19.8 +/- 1.07 0.070 / 0.110 G20 342.0 65.5 14.7 +/- 0.57 16.0 +/- 0.57 0.060 / 0.040 G21 68.2 76.7 15.9 +/- 0.75 16.3 +/- 0.75 0.050 / 0.040 G24 106.9 23.6 17.4 +/- 1.98 35.1 +/- 1.98 0.180 / 0.330 G27 307.7 30.9 13.7 +/- 1.06 23.6 +/- 1.06 0.170 / 0.310 G29 168.3 15.1 14.1 +/- 1.69 34.9 +/- 1.69 0.100 / 0.110 G32 207.2 26.3 16.6 +/- 1.02 31.4 +/- 1.02 0.130 / 0.110