PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/03/14-01:12:30 G02 202.5 34.1 8.5 +/- 0.95 13.7 +/- 0.95 0.090 / 0.080 G06 170.9 63.9 7.4 +/- 0.61 8.1 +/- 0.61 0.070 / 0.080 G12 305.7 12.1 4.0 +/- 8.97 10.6 +/- 8.97 0.190 / 0.310 G17 36.3 48.6 6.0 +/- 1.62 7.8 +/- 1.62 0.180 / 0.290 G19 357.2 66.2 5.5 +/- 1.06 6.0 +/- 1.06 0.080 / 0.090 G24 297.3 38.9 6.2 +/- 4.44 9.2 +/- 4.44 0.050 / 0.090 G28 99.1 35.2 7.3 +/- 0.80 11.5 +/- 0.80 0.060 / 0.030