PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/06/07-04:57:30 G08 306.0 20.3 7.9 +/- 1.79 17.3 +/- 1.79 0.040 / 0.070 G10 345.6 61.7 5.4 +/- 0.72 6.1 +/- 0.72 0.040 / 0.060 G14 220.7 36.0 11.1 +/- 0.65 17.4 +/- 0.65 0.080 / 0.080 G20 47.3 58.0 6.5 +/- 0.34 7.5 +/- 0.34 0.060 / 0.090 G21 139.2 51.7 8.5 +/- 0.84 10.5 +/- 0.84 0.030 / 0.030 G24 67.7 29.2 4.7 +/- 0.58 8.4 +/- 0.58 0.030 / 0.030 G27 269.3 36.4 8.6 +/- 1.52 13.3 +/- 1.52 0.060 / 0.140 G32 227.7 54.6 11.8 +/- 0.81 14.1 +/- 0.81 0.080 / 0.140