PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/26-12:27:20
G02     202.4          22.1                3.5 +/-    3.13       7.4 +/-    3.13  0.080 / 0.110
G06     166.7          60.0                6.9 +/-    0.86       7.8 +/-    0.86  0.070 / 0.110
G12     303.1          11.1               -5.8 +/-    7.92     -15.8 +/-    7.92  0.200 / 0.270
G17     29.1           54.6                4.7 +/-    0.93       5.6 +/-    0.93  0.230 / 0.370
G19     323.7          69.6                5.0 +/-    1.06       5.3 +/-    1.06  0.140 / 0.170
G24     304.5          35.1                4.5 +/-    1.47       7.1 +/-    1.47  0.110 / 0.190
G28     92.6           37.7                5.5 +/-    1.02       8.3 +/-    1.02  0.050 / 0.030
G30     158.2          11.5                3.5 +/-    2.59       9.5 +/-    2.59  0.050 / 0.020