PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/14-04:42:30
G02     37.8           51.0                3.4 +/-    0.91       4.2 +/-    0.91  0.040 / 0.030
G05     128.1          65.6                5.0 +/-    0.81       5.4 +/-    0.81  0.040 / 0.030
G06     54.4           17.0                2.0 +/-    1.43       4.7 +/-    1.43  0.040 / 0.040
G12     198.9          65.2                4.9 +/-    0.51       5.3 +/-    0.51  0.050 / 0.040
G25     287.1          57.5                5.7 +/-    2.51       6.7 +/-    2.51  0.100 / 0.120
G29     313.2          36.1                2.9 +/-    0.69       4.5 +/-    0.69  0.100 / 0.130