PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/06-15:42:50
G02     201.0          17.1               10.9 +/-    2.56      25.8 +/-    2.56  0.110 / 0.190
G06     168.7          53.9               11.5 +/-    0.63      13.9 +/-    0.63  0.160 / 0.180
G13     228.1          14.1               10.0 +/-    2.44      25.4 +/-    2.44  0.090 / 0.100
G17     21.3           60.3                8.7 +/-    0.83       9.9 +/-    0.83  0.120 / 0.110
G19     306.5          70.2                8.4 +/-    0.58       8.8 +/-    0.58  0.160 / 0.370
G24     310.2          29.8                8.1 +/-    1.24      14.3 +/-    1.24  0.170 / 0.670
G28     86.0           40.7                8.6 +/-    1.86      12.3 +/-    1.86  0.050 / 0.040
G30     157.4          17.3               10.0 +/-    1.50      23.5 +/-    1.50  0.040 / 0.040