PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/06-23:57:50
G08     265.1          17.8               15.9 +/-    1.07      37.0 +/-    1.07  0.130 / 0.330
G10     61.6           58.7               19.1 +/-    6.66      21.9 +/-    6.66  0.180 / 0.300
G11     310.2          18.7               16.2 +/-    6.51      36.7 +/-    6.51  0.090 / 0.410
G14     271.5          67.8               19.9 +/-    7.08      21.3 +/-    7.08  0.110 / 0.420
G18     92.8           35.6               18.7 +/-    7.29      29.4 +/-    7.29  0.030 / 0.030
G21     153.9          12.6               14.2 +/-    2.84      37.3 +/-    2.84  0.030 / 0.020
G24     39.9           10.8               15.8 +/-    7.37      43.5 +/-    7.37  0.070 / 0.110
G27     229.8          14.8               17.6 +/-    2.01      43.8 +/-    2.01  0.050 / 0.110
G31     180.5          28.6               17.8 +/-    2.07      32.1 +/-    2.07  0.110 / 0.200
G32     327.3          74.0               20.0 +/-    7.18      20.7 +/-    7.18  0.160 / 0.230