PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/09-05:12:20
G02     41.4           47.8                2.6 +/-    0.82       3.4 +/-    0.82  0.040 / 0.050
G05     117.2          67.9                4.0 +/-    0.42       4.2 +/-    0.42  0.040 / 0.040
G06     56.7           14.2                1.6 +/-    2.67       4.0 +/-    2.67  0.040 / 0.040
G12     195.0          60.5                5.5 +/-    0.26       6.2 +/-    0.26  0.040 / 0.040
G25     278.3          59.0                1.9 +/-    0.84       2.2 +/-    0.84  0.020 / 0.030
G29     316.2          39.2                1.8 +/-    0.82       2.7 +/-    0.82  0.030 / 0.030