PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/11/15-06:12:40 G01 67.0 31.5 4.1 +/- 0.66 7.1 +/- 0.66 0.090 / 0.260 G07 137.8 29.6 7.2 +/- 1.51 12.7 +/- 1.51 0.110 / 0.280 G11 54.0 33.2 3.5 +/- 0.37 5.8 +/- 0.37 0.030 / 0.030 G13 271.1 38.6 8.7 +/- 0.90 13.0 +/- 0.90 0.040 / 0.040 G15 299.3 16.4 3.7 +/- 1.79 8.8 +/- 1.79 0.050 / 0.110 G17 233.9 70.5 7.2 +/- 1.43 7.6 +/- 1.43 0.050 / 0.110 G19 224.1 45.7 7.8 +/- 1.45 10.4 +/- 1.45 0.040 / 0.070 G28 5.0 61.3 2.5 +/- 0.64 2.8 +/- 0.64 0.040 / 0.080 G30 137.6 64.4 8.0 +/- 0.72 8.7 +/- 0.72 0.060 / 0.060