PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/01-17:12:30
G02     245.2          75.3                9.6 +/-    0.56       9.9 +/-    0.56  0.190 / 0.420
G05     171.4          17.2               10.9 +/-    0.75      25.7 +/-    0.75  0.160 / 0.290
G06     40.1           56.2                9.8 +/-    0.48      11.5 +/-    0.48  0.030 / 0.040
G12     321.1          52.5                9.9 +/-    0.83      12.1 +/-    0.83  0.040 / 0.030
G17     70.0           24.3                8.1 +/-    0.78      16.1 +/-    0.78  0.030 / 0.060
G19     59.3           36.2                7.5 +/-    0.54      11.6 +/-    0.54  0.040 / 0.060
G24     244.3          33.7               11.0 +/-    1.20      17.9 +/-    1.20  0.080 / 0.100
G25     316.5          12.7                9.4 +/-    1.83      24.7 +/-    1.83  0.090 / 0.110