PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/16-22:58:10
G05     49.4           18.2                8.5 +/-    0.81      19.7 +/-    0.81  0.090 / 0.310
G10     238.4          14.0               17.2 +/-    1.98      44.0 +/-    1.98  0.110 / 0.270
G13     73.1           37.2               12.1 +/-    0.79      18.5 +/-    0.79  0.150 / 0.290
G15     121.5          54.0               15.4 +/-    0.54      18.5 +/-    0.54  0.150 / 0.300
G16     313.1          12.2                9.5 +/-    2.11      25.2 +/-    2.11  0.060 / 0.070
G18     248.5          44.0               15.3 +/-    2.48      21.0 +/-    2.48  0.050 / 0.090
G20     32.0           62.1               12.5 +/-    0.71      14.0 +/-    0.71  0.060 / 0.180
G21     316.2          49.5               12.3 +/-    0.86      15.5 +/-    0.86  0.050 / 0.150
G26     286.3          19.5               11.5 +/-    1.62      25.6 +/-    1.62  0.030 / 0.040
G29     157.0          65.5               14.4 +/-    0.89      15.6 +/-    0.89  0.030 / 0.040