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               21.9 +/-    3.58      49.2 +/-    3.58  0.030 / 0.030
G10     55.6           59.9               19.3 +/-    0.98      22.0 +/-    0.98  0.040 / 0.030
G11     312.1          17.0               14.1 +/-    1.90      33.5 +/-    1.90  0.140 / 0.110
G14     264.3          66.2               20.4 +/-    1.34      22.1 +/-    1.34  0.230 / 0.150
G18     89.6           37.8               20.7 +/-    1.42      31.3 +/-    1.42  0.140 / 0.390
G21     153.4          15.9               26.7 +/-    3.61      65.0 +/-    3.61  0.150 / 0.370
G24     41.2           13.0               14.9 +/-    3.34      38.9 +/-    3.34  0.080 / 0.110
G27     232.1          16.9               28.7 +/-    2.08      68.1 +/-    2.08  0.080 / 0.140
G31     180.6          25.9               30.1 +/-    2.39      57.6 +/-    2.39  0.090 / 0.220
G32     316.9          74.7               20.4 +/-    0.52      21.1 +/-    0.52  0.270 / 0.160