PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/03/08-01:43:00 G02 203.2 36.6 10.0 +/- 1.50 15.4 +/- 1.50 0.080 / 0.080 G06 169.8 66.4 7.7 +/- 0.27 8.4 +/- 0.27 0.070 / 0.090 G12 307.1 14.0 5.0 +/- 3.09 12.8 +/- 3.09 0.110 / 0.190 G17 38.6 46.7 6.2 +/- 1.04 8.1 +/- 1.04 0.100 / 0.340 G19 2.3 64.8 6.7 +/- 0.86 7.3 +/- 0.86 0.050 / 0.100 G24 294.4 40.1 7.1 +/- 9.03 10.4 +/- 9.03 0.080 / 0.100 G28 101.7 33.5 9.4 +/- 0.66 15.3 +/- 0.66 0.040 / 0.040