PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/07-05:13:10
G02     38.7           50.2                5.2 +/-    0.68       6.5 +/-    0.68  0.050 / 0.050
G05     125.9          66.2                6.5 +/-    0.55       7.1 +/-    0.55  0.050 / 0.050
G06     54.8           16.6                2.5 +/-    0.46       5.9 +/-    0.46  0.030 / 0.040
G12     197.7          64.0                8.0 +/-    0.74       8.8 +/-    0.74  0.030 / 0.040
G25     284.7          58.1                5.3 +/-    0.86       6.2 +/-    0.86  0.030 / 0.040
G29     313.8          36.5                4.2 +/-    1.42       6.5 +/-    1.42  0.030 / 0.040