PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/16-00:27:50
G01     307.2          33.0                7.9 +/-    0.91      13.0 +/-    0.91  0.100 / 0.170
G10     105.5          41.0                8.4 +/-    0.81      12.0 +/-    0.81  0.090 / 0.200
G11     281.1          29.0                7.7 +/-    1.46      13.8 +/-    1.46  0.040 / 0.050
G14     359.5          66.5                7.3 +/-    0.75       7.9 +/-    0.75  0.030 / 0.040
G18     117.1          14.2                8.6 +/-    1.00      21.9 +/-    1.00  0.090 / 0.280
G22     309.3          24.8                6.8 +/-    0.77      13.3 +/-    0.77  0.100 / 0.310
G25     80.4           16.3                7.4 +/-    1.28      17.9 +/-    1.28  0.060 / 0.100
G31     173.7          61.7               10.4 +/-    1.36      11.6 +/-    1.36  0.060 / 0.110
G32     32.2           55.1                6.8 +/-    0.76       8.2 +/-    0.76  0.030 / 0.040