PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/13-01:27:50
G08     268.4          19.3               14.8 +/-    2.58      33.2 +/-    2.58  0.040 / 0.150
G10     54.3           60.2               13.4 +/-    0.67      15.2 +/-    0.67  0.040 / 0.140
G11     312.3          16.8               13.5 +/-    2.66      32.2 +/-    2.66  0.100 / 0.170
G14     263.1          65.9               15.1 +/-    0.78      16.3 +/-    0.78  0.120 / 0.140
G18     88.8           38.5               15.0 +/-    0.78      22.3 +/-    0.78  0.030 / 0.030
G21     153.5          17.0               16.6 +/-    2.61      39.3 +/-    2.61  0.020 / 0.030
G24     41.5           13.5               11.7 +/-    1.70      30.3 +/-    1.70  0.100 / 0.300
G27     232.5          17.3               19.6 +/-    2.48      46.0 +/-    2.48  0.090 / 0.280
G31     180.2          25.9               20.1 +/-    3.35      38.5 +/-    3.35  0.060 / 0.260
G32     317.0          75.0               15.0 +/-    1.05      15.5 +/-    1.05  0.110 / 0.250