PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/12-00:42:40
G01     307.7          32.7                8.6 +/-    1.14      14.3 +/-    1.14  0.070 / 0.090
G10     104.9          41.5               10.4 +/-    0.47      14.7 +/-    0.47  0.070 / 0.100
G11     281.7          29.0               10.0 +/-    1.06      17.9 +/-    1.06  0.100 / 0.170
G14     358.3          66.8                8.6 +/-    0.54       9.2 +/-    0.54  0.100 / 0.140
G18     116.7          14.8                8.4 +/-    1.00      21.0 +/-    1.00  0.070 / 0.310
G22     309.0          24.3                7.3 +/-    0.96      14.6 +/-    0.96  0.080 / 0.280
G25     80.9           16.1                7.3 +/-    1.52      17.7 +/-    1.52  0.030 / 0.030
G31     173.7          61.2               12.3 +/-    1.07      13.9 +/-    1.07  0.040 / 0.040
G32     31.3           55.6                7.2 +/-    0.96       8.5 +/-    0.96  0.020 / 0.050