PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/08-01:42:40
G08     270.8          20.2               16.8 +/-    1.24      36.7 +/-    1.24  0.120 / 0.280
G10     49.2           61.0               17.2 +/-    1.44      19.3 +/-    1.44  0.110 / 0.240
G11     313.7          15.3                8.8 +/-    4.06      21.8 +/-    4.06  0.060 / 0.070
G14     258.0          64.4               17.8 +/-    0.82      19.5 +/-    0.82  0.050 / 0.050
G18     86.1           40.2               17.9 +/-    1.26      26.0 +/-    1.26  0.120 / 0.130
G21     153.0          19.5               15.3 +/-    2.80      34.0 +/-    2.80  0.100 / 0.090
G24     42.7           15.2                5.1 +/-    1.97      12.5 +/-    1.97  0.030 / 0.030
G27     234.4          19.0               21.8 +/-    3.29      49.2 +/-    3.29  0.030 / 0.030
G31     180.5          23.6               19.3 +/-    2.04      39.0 +/-    2.04  0.130 / 0.410
G32     307.5          75.2               22.5 +/-    0.79      23.2 +/-    0.79  0.140 / 0.320