PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/10-23:43:00
G07     17.9           68.3               18.7 +/-    9.78      20.0 +/-    9.78  0.040 / 0.050
G08     63.7           49.1               16.3 +/-    8.26      20.8 +/-    8.26  0.060 / 0.050
G09     180.8          49.6               10.1 +/-    2.45      12.9 +/-    2.45  0.050 / 0.100
G11     131.8          27.3               18.7 +/-    9.79      34.7 +/-    9.79  0.070 / 0.090
G23     159.8          17.5               17.2 +/-    9.02      40.3 +/-    9.02  0.100 / 0.280
G27     39.8           15.6                7.1 +/-    1.20      17.4 +/-    1.20  0.100 / 0.270
G28     260.9          46.7               10.3 +/-    1.42      13.5 +/-    1.42  0.090 / 0.210
G30     325.8          55.0                7.5 +/-    0.85       9.0 +/-    0.85  0.060 / 0.170