PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/01-01:27:50
G01     307.6          32.7               12.6 +/-    1.19      20.9 +/-    1.19  0.060 / 0.100
G10     104.8          41.5               12.7 +/-    0.36      18.0 +/-    0.36  0.060 / 0.110
G11     281.4          29.2               12.9 +/-    0.86      23.0 +/-    0.86  0.110 / 0.170
G14     358.7          66.7               11.6 +/-    0.75      12.5 +/-    0.75  0.100 / 0.150
G18     116.6          15.0               10.8 +/-    0.85      26.8 +/-    0.85  0.030 / 0.040
G22     309.1          24.4               11.8 +/-    1.54      23.4 +/-    1.54  0.040 / 0.040
G25     80.5           16.0               10.6 +/-    0.97      25.8 +/-    0.97  0.070 / 0.230
G31     172.6          61.8               13.5 +/-    0.98      15.2 +/-    0.98  0.100 / 0.240
G32     31.1           55.7                9.4 +/-    0.60      11.1 +/-    0.60  0.030 / 0.080