PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/11-01:28:00
G08     272.1          20.6                9.6 +/-    1.67      20.8 +/-    1.67  0.080 / 0.210
G10     46.7           61.3               10.2 +/-    0.57      11.5 +/-    0.57  0.110 / 0.220
G11     314.4          14.4                9.1 +/-    1.67      23.0 +/-    1.67  0.100 / 0.300
G14     255.5          63.5               11.4 +/-    0.75      12.5 +/-    0.75  0.100 / 0.350
G18     84.9           40.8               10.3 +/-    0.53      14.8 +/-    0.53  0.030 / 0.030
G21     152.7          20.6               12.5 +/-    3.18      27.1 +/-    3.18  0.030 / 0.030
G24     43.4           16.1                9.4 +/-    1.23      22.9 +/-    1.23  0.070 / 0.100
G27     235.4          19.8               14.6 +/-    1.78      32.2 +/-    1.78  0.130 / 0.130
G31     180.8          22.3               14.6 +/-    3.25      30.4 +/-    3.25  0.050 / 0.060
G32     301.8          75.1               11.8 +/-    0.62      12.2 +/-    0.62  0.050 / 0.060