PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/26-15:42:30
G02     263.4          78.0                6.8 +/-    0.64       6.9 +/-    0.64  0.110 / 0.130
G05     169.9          21.6                9.0 +/-    2.14      19.0 +/-    2.14  0.130 / 0.130
G06     39.7           50.2                6.4 +/-    0.97       8.1 +/-    0.97  0.080 / 0.170
G12     320.5          59.1                6.9 +/-    0.74       7.9 +/-    0.74  0.070 / 0.140
G17     74.9           20.5                7.1 +/-    1.35      15.3 +/-    1.35  0.090 / 0.080
G19     64.8           32.5                6.5 +/-    1.76      10.8 +/-    1.76  0.060 / 0.080
G24     239.1          30.4                8.4 +/-    3.01      14.6 +/-    3.01  0.040 / 0.030
G25     317.2          17.5                6.5 +/-    2.84      15.3 +/-    2.84  0.030 / 0.030