PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/17-03:12:50
G08     270.7          20.2                9.6 +/-    3.22      20.9 +/-    3.22  0.080 / 0.250
G10     49.1           61.0                6.6 +/-    0.58       7.4 +/-    0.58  0.090 / 0.250
G11     313.4          15.7               10.2 +/-    3.91      24.9 +/-    3.91  0.030 / 0.030
G14     258.1          64.5                7.3 +/-    0.93       8.0 +/-    0.93  0.030 / 0.020
G18     85.7           40.7                6.2 +/-    0.47       8.9 +/-    0.47  0.080 / 0.240
G21     153.1          20.1                7.5 +/-    2.01      16.6 +/-    2.01  0.080 / 0.230
G24     42.7           15.2                5.2 +/-    1.45      12.8 +/-    1.45  0.120 / 0.220
G27     234.4          19.0               11.8 +/-    1.44      26.7 +/-    1.44  0.090 / 0.210
G31     179.8          24.4                9.2 +/-    1.59      18.3 +/-    1.59  0.040 / 0.050
G32     311.1          75.5                8.3 +/-    0.60       8.5 +/-    0.60  0.040 / 0.060