PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/02/06-12:43:00 G08 315.0 16.3 4.2 +/- 2.76 10.2 +/- 2.76 0.050 / 0.040 G10 318.0 57.6 3.7 +/- 0.67 4.3 +/- 0.67 0.040 / 0.030 G14 213.8 23.8 6.8 +/- 2.92 13.6 +/- 2.92 0.050 / 0.070 G15 45.8 17.1 1.8 +/- 0.42 4.2 +/- 0.42 0.050 / 0.080 G20 21.3 63.1 2.5 +/- 0.33 2.8 +/- 0.33 0.040 / 0.040 G21 125.6 59.0 5.3 +/- 0.60 6.1 +/- 0.60 0.030 / 0.050 G24 80.7 28.8 2.6 +/- 0.57 4.7 +/- 0.57 0.090 / 0.300 G27 288.8 36.4 3.4 +/- 1.41 5.2 +/- 1.41 0.100 / 0.300 G32 217.0 41.3 5.9 +/- 0.86 8.4 +/- 0.86 0.140 / 0.280