PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/25-03:58:00
G02     37.8           51.0                4.5 +/-    1.08       5.6 +/-    1.08  0.050 / 0.030
G05     127.7          65.6                5.9 +/-    0.41       6.4 +/-    0.41  0.040 / 0.030
G06     54.6           16.4                3.3 +/-    1.01       7.9 +/-    1.01  0.030 / 0.050
G12     199.0          65.3                6.5 +/-    0.43       7.1 +/-    0.43  0.040 / 0.050
G25     287.7          57.2                2.2 +/-    1.42       2.5 +/-    1.42  0.030 / 0.030
G29     313.6          36.6                4.8 +/-    0.74       7.4 +/-    0.74  0.030 / 0.030