PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/06/09-20:28:10 G02 225.9 68.7 10.6 +/- 0.62 11.3 +/- 0.62 0.180 / 0.410 G06 44.7 67.3 9.8 +/- 0.42 10.6 +/- 0.42 0.250 / 0.350 G12 319.8 41.7 8.8 +/- 0.32 12.4 +/- 0.32 0.050 / 0.050 G17 63.5 27.8 9.2 +/- 1.69 16.8 +/- 1.69 0.040 / 0.040 G19 49.3 42.8 10.2 +/- 0.85 14.2 +/- 0.85 0.070 / 0.080 G24 253.9 38.6 12.3 +/- 0.91 18.4 +/- 0.91 0.080 / 0.130 G28 126.7 11.8 11.5 +/- 3.63 30.8 +/- 3.63 0.050 / 0.080