PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/06-16:43:00
G02     244.4          75.8               17.4 +/-    0.50      17.9 +/-    0.50  0.060 / 0.130
G05     174.8          14.6               21.1 +/-    2.98      53.0 +/-    2.98  0.070 / 0.090
G06     40.4           57.1               17.5 +/-    1.21      20.4 +/-    1.21  0.050 / 0.060
G12     321.6          54.1               16.7 +/-    0.84      20.1 +/-    0.84  0.050 / 0.060
G17     74.3           18.8               15.4 +/-    0.60      34.9 +/-    0.60  0.080 / 0.220
G19     61.0           35.7               16.1 +/-    0.72      25.3 +/-    0.72  0.090 / 0.230
G24     245.1          34.0               15.7 +/-    1.13      25.4 +/-    1.13  0.080 / 0.280
G25     317.2          17.4               17.3 +/-    2.60      40.6 +/-    2.60  0.060 / 0.240