PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/09-17:27:40
G10     243.7          19.7               11.3 +/-    1.75      25.1 +/-    1.75  0.110 / 0.230
G13     63.6           35.1                9.8 +/-    0.45      15.5 +/-    0.45  0.120 / 0.260
G15     102.4          56.8               12.1 +/-    0.37      14.2 +/-    0.37  0.040 / 0.060
G18     258.3          51.5               11.5 +/-    1.42      14.2 +/-    1.42  0.040 / 0.070
G20     35.2           57.5               10.4 +/-    0.32      12.1 +/-    0.32  0.040 / 0.060
G21     327.9          57.0               11.0 +/-    0.72      12.8 +/-    0.72  0.040 / 0.050
G26     280.4          17.7                8.9 +/-    1.26      20.8 +/-    1.26  0.050 / 0.130
G29     158.7          53.3               13.1 +/-    0.48      15.9 +/-    0.48  0.050 / 0.130