PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/06-00:57:40
G02     59.3           32.8                9.0 +/-    1.47      14.9 +/-    1.47  0.070 / 0.090
G05     58.0           60.5               10.4 +/-    0.39      11.7 +/-    0.39  0.090 / 0.090
G12     184.0          32.2               12.0 +/-    1.60      20.1 +/-    1.60  0.140 / 0.270
G13     128.7          14.8               16.4 +/-    2.32      41.1 +/-    2.32  0.130 / 0.290
G15     164.6          11.5               10.7 +/-   21.54      29.0 +/-   21.54  0.030 / 0.030
G21     270.6          16.4               12.0 +/-    1.81      28.9 +/-    1.81  0.030 / 0.030
G25     238.3          52.3               11.4 +/-    3.02      13.9 +/-    3.02  0.180 / 0.360
G29     327.2          53.1               10.8 +/-    1.14      13.1 +/-    1.14  0.190 / 0.400