PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/03-17:28:00
G02     323.7          80.3               12.8 +/-    0.79      12.9 +/-    0.79  0.030 / 0.040
G05     170.1          27.8               17.5 +/-    1.51      32.1 +/-    1.51  0.030 / 0.040
G06     41.2           42.5               11.1 +/-    0.42      15.5 +/-    0.42  0.100 / 0.210
G12     313.7          69.5               12.4 +/-    1.13      13.1 +/-    1.13  0.090 / 0.190
G19     74.8           26.7               12.3 +/-    1.86      23.2 +/-    1.86  0.070 / 0.140
G24     231.4          24.5               15.7 +/-    1.38      31.0 +/-    1.38  0.070 / 0.120
G25     317.2          30.9               15.1 +/-    1.33      26.0 +/-    1.33  0.070 / 0.110
G29     286.1          10.1               -9.4 +/-   14.32     -26.2 +/-   14.32  0.060 / 0.110