PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/07-04:13:10
G02     244.2          78.0                3.7 +/-    0.63       3.8 +/-    0.63  0.160 / 0.300
G05     170.7          17.1                6.9 +/-    1.99      16.4 +/-    1.99  0.160 / 0.290
G06     40.4           60.0                3.4 +/-    0.67       3.9 +/-    0.67  0.030 / 0.050
G12     321.3          50.8                2.2 +/-    0.62       2.8 +/-    0.62  0.040 / 0.050
G17     70.1           24.3                4.1 +/-    1.19       8.2 +/-    1.19  0.030 / 0.030
G19     57.4           38.6                4.1 +/-    1.43       6.1 +/-    1.43  0.030 / 0.030
G24     245.9          34.9                5.2 +/-    1.78       8.3 +/-    1.78  0.050 / 0.090
G25     316.7          11.6              -11.6 +/-   24.49     -31.2 +/-   24.49  0.050 / 0.090