PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/08-18:12:50
G02     23.6           61.9               10.3 +/-    0.85      11.5 +/-    0.85  0.070 / 0.060
G05     149.3          56.0               13.8 +/-    0.72      16.2 +/-    0.72  0.040 / 0.080
G06     50.2           20.0                6.8 +/-    0.69      15.0 +/-    0.69  0.020 / 0.030
G12     213.5          75.2               11.8 +/-    0.88      12.2 +/-    0.88  0.030 / 0.040
G19     95.0           11.9               11.6 +/-    1.41      31.1 +/-    1.41  0.080 / 0.170
G25     305.5          48.0               12.8 +/-    1.75      16.6 +/-    1.75  0.090 / 0.170
G29     302.6          23.5               11.1 +/-    1.42      22.4 +/-    1.42  0.040 / 0.050