PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/12-01:13:10
G02     201.7          30.8                9.7 +/-    1.01      16.7 +/-    1.01  0.050 / 0.110
G06     172.9          60.2                9.3 +/-    0.76      10.5 +/-    0.76  0.050 / 0.090
G17     33.4           51.0                5.5 +/-    0.56       6.8 +/-    0.56  0.060 / 0.100
G19     349.2          67.9                5.9 +/-    0.63       6.3 +/-    0.63  0.080 / 0.090
G24     300.7          37.2                5.9 +/-    0.96       9.0 +/-    0.96  0.040 / 0.040
G28     95.7           37.2                6.9 +/-    0.41      10.5 +/-    0.41  0.040 / 0.040