PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/04-01:57:40
G08     271.4          20.4                8.3 +/-    1.03      18.2 +/-    1.03  0.040 / 0.020
G10     47.9           61.1                8.9 +/-    0.81      10.0 +/-    0.81  0.030 / 0.020
G11     314.0          14.9                7.3 +/-    2.83      18.1 +/-    2.83  0.280 / 0.300
G14     256.8          64.0                8.0 +/-    0.51       8.8 +/-    0.51  0.200 / 0.240
G18     85.4           40.6                8.5 +/-    0.91      12.2 +/-    0.91  0.110 / 0.270
G21     152.9          20.2                7.6 +/-    1.65      16.7 +/-    1.65  0.110 / 0.280
G24     43.1           15.6                7.7 +/-    2.19      18.8 +/-    2.19  0.200 / 0.340
G27     234.9          19.4               10.9 +/-    3.86      24.4 +/-    3.86  0.220 / 0.190
G31     180.5          23.1               11.9 +/-    2.28      24.2 +/-    2.28  0.090 / 0.150
G32     305.6          75.3                7.7 +/-    0.66       7.9 +/-    0.66  0.120 / 0.150