PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/11-15:43:00
G02     202.6          26.0               13.1 +/-    1.30      25.1 +/-    1.30  0.060 / 0.090
G06     162.1          64.1               13.2 +/-    0.51      14.5 +/-    0.51  0.070 / 0.100
G12     305.4          14.6                7.4 +/-    1.65      18.6 +/-    1.65  0.080 / 0.290
G17     31.3           52.9               10.2 +/-    0.69      12.5 +/-    0.69  0.090 / 0.200
G19     335.7          69.0               10.3 +/-    0.42      10.9 +/-    0.42  0.030 / 0.030
G24     302.8          36.0               10.2 +/-    1.82      15.9 +/-    1.82  0.030 / 0.030
G28     96.1           35.3               11.7 +/-    1.37      18.5 +/-    1.37  0.030 / 0.030