PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/17-21:12:40
G01     320.6          12.2                8.1 +/-    4.14      21.5 +/-    4.14  0.110 / 0.450
G08     263.0          16.4               11.3 +/-    3.63      27.2 +/-    3.63  0.110 / 0.450
G10     67.4           57.3                8.8 +/-    0.51      10.2 +/-    0.51  0.130 / 0.240
G11     308.7          19.7               11.1 +/-    1.85      24.7 +/-    1.85  0.160 / 0.330
G14     278.3          68.8               10.5 +/-    0.47      11.2 +/-    0.47  0.050 / 0.080
G18     96.2           32.7               10.3 +/-    0.85      17.1 +/-    0.85  0.050 / 0.090
G27     227.7          12.8               12.1 +/-    5.52      31.8 +/-    5.52  0.050 / 0.060
G31     180.0          31.9               13.0 +/-    2.81      22.0 +/-    2.81  0.060 / 0.060
G32     344.8          72.6               10.7 +/-    0.68      11.2 +/-    0.68  0.030 / 0.030