PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/26-15:42:50
G02     202.7          28.1               13.8 +/-    0.95      25.2 +/-    0.95  0.120 / 0.240
G06     165.3          64.3               14.2 +/-    0.77      15.6 +/-    0.77  0.120 / 0.290
G12     305.6          12.4                8.0 +/-    4.03      21.2 +/-    4.03  0.060 / 0.120
G17     34.9           50.2               10.9 +/-    0.79      13.7 +/-    0.79  0.070 / 0.110
G19     357.5          66.8               11.8 +/-    0.49      12.7 +/-    0.49  0.030 / 0.050
G24     304.0          34.6               10.2 +/-    1.45      16.3 +/-    1.45  0.030 / 0.050
G28     98.8           33.6               10.5 +/-    1.09      17.1 +/-    1.09  0.070 / 0.120