PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/19-23:43:10
G01     315.7          24.1                7.5 +/-    1.27      15.0 +/-    1.27  0.150 / 0.330
G10     90.4           49.5                9.9 +/-    0.73      12.5 +/-    0.73  0.110 / 0.410
G11     295.0          26.9                7.2 +/-    2.15      13.5 +/-    2.15  0.030 / 0.040
G14     325.8          71.1               10.5 +/-    0.91      11.0 +/-    0.91  0.030 / 0.040
G18     108.2          23.2                9.5 +/-    0.89      19.4 +/-    0.89  0.030 / 0.080
G22     304.0          15.2                6.7 +/-    3.81      16.7 +/-    3.81  0.040 / 0.060
G25     92.6           11.9                9.7 +/-    2.60      26.1 +/-    2.60  0.140 / 0.420
G31     178.1          47.2               12.6 +/-    1.52      16.5 +/-    1.52  0.140 / 0.420
G32     15.0           63.8                7.5 +/-    2.39       8.2 +/-    2.39  0.060 / 0.030