PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/06-14:43:00
G02     201.2          21.9               19.5 +/-    2.51      40.9 +/-    2.51  0.070 / 0.160
G06     170.4          56.6               20.1 +/-    0.69      23.6 +/-    0.69  0.070 / 0.110
G13     227.1          11.5               15.5 +/-    1.69      41.9 +/-    1.69  0.110 / 0.280
G17     28.4           55.5               14.6 +/-    0.88      17.3 +/-    0.88  0.080 / 0.290
G19     339.3          70.2               16.8 +/-    0.45      17.7 +/-    0.45  0.040 / 0.060
G24     309.4          30.2               12.8 +/-    1.82      22.3 +/-    1.82  0.040 / 0.050
G28     91.7           37.7               16.0 +/-    1.02      24.2 +/-    1.02  0.030 / 0.050
G30     157.8          13.4               17.0 +/-    1.57      43.9 +/-    1.57  0.020 / 0.050