PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/10-19:27:30
G02     357.1          74.9               13.0 +/-    0.56      13.4 +/-    0.56  0.030 / 0.030
G05     164.8          38.7               16.6 +/-    0.88      24.7 +/-    0.88  0.030 / 0.030
G06     44.4           32.9               10.5 +/-    0.98      17.4 +/-    0.98  0.080 / 0.070
G12     285.0          78.7               13.7 +/-    0.68      14.0 +/-    0.68  0.090 / 0.070
G19     83.6           20.7               11.5 +/-    1.89      24.9 +/-    1.89  0.110 / 0.350
G24     223.9          17.7               14.9 +/-    1.99      34.6 +/-    1.99  0.110 / 0.160
G25     314.0          41.0               13.4 +/-    1.21      19.2 +/-    1.21  0.030 / 0.020
G29     293.0          15.3               12.3 +/-    2.37      30.3 +/-    2.37  0.030 / 0.020