PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/19-21:28:00
G01     317.6          20.8                9.4 +/-    3.43      20.3 +/-    3.43  0.200 / 0.300
G08     253.8          11.3               18.0 +/-    3.92      48.7 +/-    3.92  0.310 / 0.260
G10     84.5           51.9                8.9 +/-    0.97      11.0 +/-    0.97  0.210 / 0.210
G11     299.8          24.8                9.7 +/-    0.91      19.0 +/-    0.91  0.160 / 0.200
G14     310.6          71.3                9.4 +/-    0.46       9.9 +/-    0.46  0.040 / 0.050
G18     105.2          25.5               10.0 +/-    1.35      19.2 +/-    1.35  0.040 / 0.050
G22     302.0          12.2                9.6 +/-    2.21      25.4 +/-    2.21  0.250 / 0.400
G25     97.3           10.0               -0.2 +/-   39.45      -0.6 +/-   39.45  0.260 / 0.470
G31     178.1          43.3               12.3 +/-    0.55      16.9 +/-    0.55  0.020 / 0.020
G32     10.1           66.0                9.2 +/-    0.32      10.0 +/-    0.32  0.030 / 0.020