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               13.3 +/-    0.60      13.4 +/-    0.60  0.090 / 0.120
G05     170.1          27.8               16.7 +/-    2.49      30.7 +/-    2.49  0.080 / 0.140
G06     41.2           42.5               11.5 +/-    0.87      16.1 +/-    0.87  0.020 / 0.030
G12     313.7          69.5               12.4 +/-    0.31      13.2 +/-    0.31  0.020 / 0.030
G17     86.1           10.1               12.5 +/-    1.16      34.7 +/-    1.16  0.220 / 0.310
G19     74.8           26.7               11.8 +/-    1.68      22.3 +/-    1.68  0.340 / 0.300
G24     231.4          24.5               15.7 +/-    2.95      31.0 +/-    2.95  0.070 / 0.090
G25     317.2          30.9               14.4 +/-    1.50      24.8 +/-    1.50  0.070 / 0.100