PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/10-22:12:40
G07     309.0          47.3               11.1 +/-    1.46      14.5 +/-    1.46  0.050 / 0.080
G08     128.1          41.9               14.8 +/-    0.73      20.9 +/-    0.73  0.050 / 0.080
G09     297.8          79.3                9.1 +/-    0.81       9.2 +/-    0.81  0.260 / 0.380
G16     42.1           23.4                8.4 +/-    1.54      17.0 +/-    1.54  0.210 / 0.360
G23     145.5          60.3               12.7 +/-    0.97      14.4 +/-    0.97  0.040 / 0.080
G27     75.4           36.8               10.3 +/-    0.90      15.8 +/-    0.90  0.050 / 0.070
G28     225.3          15.0               12.7 +/-    2.43      31.6 +/-    2.43  0.110 / 0.170
G30     289.4          26.9               11.4 +/-    1.52      21.2 +/-    1.52  0.110 / 0.210