PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/28-00:27:50
G08     268.0          19.0               20.0 +/-    1.93      45.1 +/-    1.93  0.080 / 0.120
G10     55.6           59.9               17.8 +/-    0.56      20.2 +/-    0.56  0.090 / 0.130
G11     312.1          17.0               14.4 +/-    2.35      34.2 +/-    2.35  0.090 / 0.220
G14     264.3          66.2               20.2 +/-    1.11      21.9 +/-    1.11  0.150 / 0.270
G18     89.6           37.8               20.9 +/-    1.67      31.5 +/-    1.67  0.030 / 0.030
G21     153.4          15.9               27.8 +/-    3.74      67.7 +/-    3.74  0.030 / 0.030
G24     41.2           13.0               14.1 +/-    1.79      36.7 +/-    1.79  0.160 / 0.240
G27     232.1          16.9               29.6 +/-    1.96      70.2 +/-    1.96  0.080 / 0.210
G31     180.6          25.9               30.2 +/-    4.48      57.8 +/-    4.48  0.060 / 0.060
G32     316.9          74.7               20.7 +/-    0.92      21.4 +/-    0.92  0.040 / 0.070