PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/06/05-18:28:00 G01 41.3 16.9 8.5 +/- 0.97 20.3 +/- 0.97 0.110 / 0.190 G06 175.5 36.5 14.0 +/- 1.37 21.7 +/- 1.37 0.130 / 0.160 G13 237.8 23.5 12.6 +/- 4.61 25.5 +/- 4.61 0.040 / 0.070 G15 271.5 12.7 12.9 +/- 1.75 33.9 +/- 1.75 0.050 / 0.060 G17 355.5 72.3 11.9 +/- 0.44 12.4 +/- 0.44 0.110 / 0.180 G19 273.6 69.2 11.7 +/- 0.83 12.4 +/- 0.83 0.190 / 0.210 G24 316.8 18.1 11.4 +/- 2.46 26.3 +/- 2.46 0.080 / 0.240 G28 63.8 51.4 11.1 +/- 0.90 13.8 +/- 0.90 0.130 / 0.290 G30 153.2 25.8 12.5 +/- 1.70 24.0 +/- 1.70 0.040 / 0.040