PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/13-02:12:50
G01     316.1          23.4               10.5 +/-    1.32      21.3 +/-    1.32  0.030 / 0.030
G10     88.8           50.2               12.2 +/-    0.53      15.3 +/-    0.53  0.040 / 0.040
G11     295.3          27.1                9.2 +/-    0.81      17.2 +/-    0.81  0.080 / 0.130
G14     323.9          71.3               12.0 +/-    0.65      12.6 +/-    0.65  0.130 / 0.120
G18     107.1          24.8               12.1 +/-    1.98      23.8 +/-    1.98  0.040 / 0.040
G22     303.6          14.9                8.6 +/-    2.78      21.4 +/-    2.78  0.040 / 0.040
G25     92.2           11.3               12.6 +/-    1.80      34.0 +/-    1.80  0.090 / 0.280
G31     176.3          47.8               15.2 +/-    1.42      19.7 +/-    1.42  0.120 / 0.360
G32     13.8           64.3                9.8 +/-    0.54      10.7 +/-    0.54  0.170 / 0.230