PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/06/10-19:27:20 G02 205.9 42.1 14.3 +/- 2.01 20.1 +/- 2.01 0.080 / 0.090 G06 145.1 75.7 13.2 +/- 0.70 13.6 +/- 0.70 0.080 / 0.070 G12 310.3 19.1 10.8 +/- 2.21 24.2 +/- 2.21 0.070 / 0.140 G17 41.5 44.7 9.3 +/- 0.66 12.6 +/- 0.66 0.070 / 0.160 G19 16.8 60.1 10.7 +/- 1.05 12.2 +/- 1.05 0.050 / 0.070 G24 288.6 40.9 11.5 +/- 0.76 16.5 +/- 0.76 0.040 / 0.070 G28 106.9 30.8 11.9 +/- 0.93 20.5 +/- 0.93 0.130 / 0.190