PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/11-05:43:00
G02     35.0           54.0                3.4 +/-    1.28       4.0 +/-    1.28  0.030 / 0.040
G05     136.5          62.3                5.3 +/-    0.31       5.9 +/-    0.31  0.020 / 0.030
G06     53.2           17.4                0.7 +/-    3.50       1.6 +/-    3.50  0.020 / 0.030
G12     202.9          69.1                4.7 +/-    0.39       5.0 +/-    0.39  0.020 / 0.020
G19     99.8           10.1                5.7 +/-    0.97      15.8 +/-    0.97  0.380 / 0.430
G20     201.2          20.1                4.4 +/-    2.14       9.6 +/-    2.14  0.190 / 0.290
G25     298.5          52.4                3.8 +/-    2.32       4.7 +/-    2.32  0.320 / 0.160
G29     307.4          28.2                1.4 +/-    1.03       2.5 +/-    1.03  0.260 / 0.120