PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/09-03:58:00
G02     199.5          22.3                6.2 +/-    1.71      12.8 +/-    1.71  0.050 / 0.070
G06     174.1          51.5                5.8 +/-    0.86       7.2 +/-    0.86  0.070 / 0.080
G13     228.2          13.3                3.1 +/-    2.32       8.1 +/-    2.32  0.030 / 0.030
G17     19.8           61.0                3.5 +/-    0.70       4.0 +/-    0.70  0.040 / 0.040
G19     323.7          71.2                3.0 +/-    0.35       3.1 +/-    0.35  0.030 / 0.040
G24     310.8          28.6                1.0 +/-    0.85       1.8 +/-    0.85  0.040 / 0.040
G28     88.2           39.3                5.4 +/-    1.22       7.9 +/-    1.22  0.080 / 0.120
G30     155.8          11.3                7.6 +/-    1.92      20.7 +/-    1.92  0.080 / 0.090