PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/03/26-01:28:10 G02 219.3 64.8 9.4 +/- 0.77 10.3 +/- 0.77 0.060 / 0.070 G06 54.5 76.1 6.6 +/- 0.72 6.8 +/- 0.72 0.050 / 0.080 G12 318.5 36.6 8.1 +/- 1.30 12.4 +/- 1.30 0.160 / 0.300 G17 60.8 28.8 5.3 +/- 1.17 9.5 +/- 1.17 0.150 / 0.330 G19 42.8 47.0 6.5 +/- 1.02 8.6 +/- 1.02 0.050 / 0.060 G24 258.3 40.8 9.5 +/- 4.78 13.7 +/- 4.78 0.040 / 0.050 G28 123.8 14.5 7.8 +/- 1.99 19.7 +/- 1.99 0.080 / 0.070