PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/14-15:42:30
G02     204.0          31.4               11.1 +/-    2.36      19.0 +/-    2.36  0.070 / 0.080
G06     154.5          69.9               10.3 +/-    0.98      10.9 +/-    0.98  0.090 / 0.080
G12     308.6          18.9                9.6 +/-    1.16      21.7 +/-    1.16  0.070 / 0.230
G17     36.6           48.6                8.6 +/-    0.34      11.0 +/-    0.34  0.100 / 0.180
G19     350.7          66.9                8.0 +/-    0.93       8.6 +/-    0.93  0.030 / 0.030
G24     297.1          39.0               10.8 +/-    1.14      15.9 +/-    1.14  0.030 / 0.040
G28     101.7          31.8                9.4 +/-    0.94      15.9 +/-    0.94  0.030 / 0.040