PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/06/07-04:58:10 G08 305.6 20.4 5.2 +/- 1.72 11.3 +/- 1.72 0.090 / 0.080 G10 346.5 61.8 5.4 +/- 0.83 6.0 +/- 0.83 0.070 / 0.100 G14 221.0 36.4 10.8 +/- 1.50 16.6 +/- 1.50 0.030 / 0.030 G20 48.1 57.8 6.7 +/- 0.80 7.8 +/- 0.80 0.040 / 0.030 G21 139.6 51.3 8.8 +/- 1.02 11.0 +/- 1.02 0.040 / 0.050 G24 67.2 29.1 5.2 +/- 1.39 9.3 +/- 1.39 0.040 / 0.060 G27 268.7 36.3 8.6 +/- 1.38 13.4 +/- 1.38 0.140 / 0.140 G32 228.2 55.0 9.2 +/- 2.85 11.0 +/- 2.85 0.070 / 0.150