PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/06-00:12:30
G02     63.8           28.9                8.1 +/-    0.95      14.6 +/-    0.95  0.100 / 0.320
G05     51.4           55.2                8.4 +/-    0.57      10.0 +/-    0.57  0.090 / 0.320
G12     184.7          29.1               12.4 +/-    1.81      22.1 +/-    1.81  0.050 / 0.080
G13     122.6          18.5               14.3 +/-    1.45      32.6 +/-    1.45  0.060 / 0.070
G15     159.9          17.2               16.1 +/-    2.47      38.0 +/-    2.47  0.080 / 0.130
G21     276.1          20.7               10.9 +/-    1.04      23.5 +/-    1.04  0.080 / 0.110
G25     229.6          48.1               12.0 +/-    0.98      15.5 +/-    0.98  0.040 / 0.110
G29     335.0          61.8               10.7 +/-    0.71      12.0 +/-    0.71  0.090 / 0.120