PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/09-04:28:10
G02     202.4          36.4                6.7 +/-    1.89      10.4 +/-    1.89  0.100 / 0.180
G06     166.2          67.1                4.5 +/-    0.75       4.8 +/-    0.75  0.080 / 0.180
G12     307.2          13.8                1.6 +/-    3.08       4.1 +/-    3.08  0.050 / 0.140
G17     34.8           50.3                1.7 +/-    0.56       2.1 +/-    0.56  0.060 / 0.130
G19     2.3            65.1                2.0 +/-    0.58       2.2 +/-    0.58  0.030 / 0.040
G24     299.0          37.4                2.3 +/-    0.84       3.5 +/-    0.84  0.030 / 0.050
G28     102.8          30.7                6.1 +/-    0.47      10.5 +/-    0.47  0.070 / 0.090