PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/08-00:12:30
G02     16.7           67.4                9.2 +/-    0.56       9.9 +/-    0.56  0.030 / 0.030
G05     155.3          47.8               14.5 +/-    0.97      18.8 +/-    0.97  0.030 / 0.030
G06     45.2           30.2                8.9 +/-    2.00      15.5 +/-    2.00  0.190 / 0.400
G12     270.5          78.6               12.2 +/-    1.22      12.5 +/-    1.22  0.130 / 0.450
G19     86.9           18.5               10.5 +/-    1.88      24.0 +/-    1.88  0.060 / 0.090
G24     217.9          13.1               16.7 +/-    1.65      43.4 +/-    1.65  0.060 / 0.080
G25     312.2          41.5               11.0 +/-    0.76      15.6 +/-    0.76  0.040 / 0.040
G29     297.3          20.1                9.5 +/-    2.08      20.8 +/-    2.08  0.040 / 0.040