PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/07-01:58:00
G08     266.0          18.3               13.6 +/-    2.05      31.3 +/-    2.05  0.170 / 0.380
G10     59.1           59.3               10.7 +/-    0.70      12.3 +/-    0.70  0.150 / 0.470
G11     310.6          18.5               11.5 +/-    2.47      26.2 +/-    2.47  0.180 / 0.250
G14     269.0          67.4               10.2 +/-    0.75      10.9 +/-    0.75  0.130 / 0.280
G18     91.1           37.1               11.1 +/-    0.43      16.9 +/-    0.43  0.030 / 0.030
G21     153.9          14.8               13.2 +/-    2.67      33.1 +/-    2.67  0.030 / 0.030
G24     40.4           11.7               10.0 +/-    1.68      27.0 +/-    1.68  0.090 / 0.190
G27     230.7          15.6               14.8 +/-    1.73      36.3 +/-    1.73  0.110 / 0.190
G31     179.5          28.7               14.9 +/-    1.58      26.9 +/-    1.58  0.040 / 0.060
G32     327.9          74.4               11.1 +/-    0.78      11.5 +/-    0.78  0.040 / 0.060