PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/05-00:57:50
G08     297.9          22.9               13.9 +/-    0.79      28.5 +/-    0.79  0.040 / 0.030
G10     352.0          62.3               14.4 +/-    0.43      16.0 +/-    0.43  0.030 / 0.030
G14     225.3          42.7               18.7 +/-    1.63      26.0 +/-    1.63  0.050 / 0.060
G18     54.5           54.8               15.0 +/-    0.88      17.9 +/-    0.88  0.050 / 0.060
G21     142.5          45.4               19.5 +/-    0.85      26.2 +/-    0.85  0.090 / 0.080
G24     63.4           28.8               15.5 +/-    1.00      27.7 +/-    1.00  0.070 / 0.090
G27     259.3          34.3               20.2 +/-    1.02      32.6 +/-    1.02  0.100 / 0.080
G32     235.2          60.2               17.5 +/-    1.89      19.8 +/-    1.89  0.090 / 0.080