PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/11/13-07:42:30 G01 37.7 10.9 3.5 +/- 1.86 9.7 +/- 1.86 0.110 / 0.180 G02 199.0 13.2 3.7 +/- 3.66 9.5 +/- 3.66 0.080 / 0.180 G06 172.1 44.7 13.6 +/- 0.78 18.4 +/- 0.78 0.040 / 0.060 G13 232.1 19.3 8.2 +/- 5.39 18.3 +/- 5.39 0.050 / 0.060 G17 10.7 66.8 6.5 +/- 0.44 7.0 +/- 0.44 0.040 / 0.040 G19 298.4 72.3 7.1 +/- 0.52 7.4 +/- 0.52 0.030 / 0.030 G24 315.0 21.7 4.9 +/- 3.85 10.2 +/- 3.85 0.040 / 0.030 G28 69.6 50.8 8.1 +/- 0.74 10.1 +/- 0.74 0.040 / 0.020 G30 156.9 25.9 8.5 +/- 1.97 16.2 +/- 1.97 0.370 / 0.890