PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/29-04:28:10
G02     34.6           54.3                5.7 +/-    0.42       6.9 +/-    0.42  0.030 / 0.080
G05     136.5          62.2                7.8 +/-    0.80       8.7 +/-    0.80  0.030 / 0.040
G06     53.3           16.9                2.3 +/-    0.75       5.4 +/-    0.75  0.030 / 0.050
G12     202.2          69.0                6.0 +/-    1.00       6.4 +/-    1.00  0.030 / 0.040
G19     99.6           10.5                3.7 +/-    2.23      10.2 +/-    2.23  0.250 / 0.540
G20     204.9          10.5               -7.2 +/-   15.45     -20.0 +/-   15.45  0.040 / 0.050
G25     298.7          52.3                4.3 +/-    0.88       5.2 +/-    0.88  0.040 / 0.050
G29     307.1          27.7                1.2 +/-    1.73       2.2 +/-    1.73  0.130 / 0.330