PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/24-04:43:00
G02     226.5          71.6                5.2 +/-    0.46       5.5 +/-    0.46  0.190 / 0.260
G05     173.7          10.9               -3.5 +/-   15.58      -9.6 +/-   15.58  0.170 / 0.320
G06     44.4           68.0                4.5 +/-    0.43       4.8 +/-    0.43  0.050 / 0.040
G12     320.6          43.4                3.8 +/-    0.48       5.2 +/-    0.48  0.040 / 0.040
G17     64.3           28.2                3.8 +/-    0.83       7.0 +/-    0.83  0.050 / 0.090
G19     50.1           43.0                4.6 +/-    1.12       6.4 +/-    1.12  0.040 / 0.100
G24     254.4          38.5                4.2 +/-    1.42       6.3 +/-    1.42  0.030 / 0.020