PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/11-01:58:00
G01     319.9          14.9                6.3 +/-    1.68      15.8 +/-    1.68  0.170 / 0.440
G08     259.1          15.0               11.7 +/-    2.49      29.1 +/-    2.49  0.140 / 0.410
G10     72.6           56.1                9.0 +/-    0.81      10.6 +/-    0.81  0.020 / 0.030
G11     305.1          22.7                6.9 +/-    2.52      14.2 +/-    2.52  0.030 / 0.030
G14     289.6          70.6               10.6 +/-    0.57      11.2 +/-    0.57  0.050 / 0.070
G18     98.2           32.1               10.0 +/-    1.09      16.8 +/-    1.09  0.050 / 0.080
G27     225.3          10.7               14.5 +/-    2.66      39.8 +/-    2.66  0.060 / 0.060
G31     178.4          36.3               12.8 +/-    2.07      19.8 +/-    2.07  0.060 / 0.050
G32     351.5          71.1                9.3 +/-    0.69       9.8 +/-    0.69  0.200 / 0.320