PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/24-01:58:00
G02     206.7          47.9                6.8 +/-    1.06       8.8 +/-    1.06  0.110 / 0.120
G06     130.8          78.6                5.7 +/-    0.42       5.8 +/-    0.42  0.080 / 0.120
G12     313.0          23.3                5.1 +/-    0.85      10.5 +/-    0.85  0.040 / 0.050
G17     43.4           44.1                5.3 +/-    0.67       7.2 +/-    0.67  0.040 / 0.050
G19     20.9           58.4                4.6 +/-    1.16       5.3 +/-    1.16  0.040 / 0.030
G24     284.9          41.7                1.6 +/-    1.82       2.2 +/-    1.82  0.040 / 0.040
G28     112.7          23.1                6.8 +/-    1.51      13.8 +/-    1.51  0.090 / 0.160