PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/08-18:57:50
G02     15.6           67.3                7.7 +/-    0.36       8.3 +/-    0.36  0.030 / 0.050
G05     155.0          50.1               11.5 +/-    0.66      14.5 +/-    0.66  0.030 / 0.050
G06     48.1           23.8                8.5 +/-    2.67      17.1 +/-    2.67  0.280 / 0.520
G12     212.7          78.2                8.0 +/-    0.28       8.2 +/-    0.28  0.180 / 0.400
G19     88.3           20.1                9.2 +/-    2.14      20.2 +/-    2.14  0.030 / 0.030
G24     215.2          10.8               13.9 +/-    4.88      38.0 +/-    4.88  0.020 / 0.030
G25     310.2          44.6                8.9 +/-    1.26      12.0 +/-    1.26  0.080 / 0.070
G29     297.7          17.9               10.5 +/-    2.66      24.3 +/-    2.66  0.050 / 0.060