PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/06-16:58:00
G10     249.4          26.2               10.4 +/-    2.71      19.9 +/-    2.71  0.040 / 0.050
G13     54.6           30.3                7.3 +/-    2.07      12.7 +/-    2.07  0.040 / 0.040
G15     94.2           59.0                7.9 +/-    0.52       9.0 +/-    0.52  0.100 / 0.410
G16     297.5          15.4                5.4 +/-    1.38      13.2 +/-    1.38  0.110 / 0.390
G20     268.1          50.0                9.5 +/-    2.90      12.0 +/-    2.90  0.110 / 0.130
G21     334.5          60.3                7.0 +/-    0.84       7.9 +/-    0.84  0.060 / 0.140
G26     270.4          15.9                9.9 +/-    1.31      24.1 +/-    1.31  0.030 / 0.030
G29     163.6          51.1               10.7 +/-    0.74      13.4 +/-    0.74  0.030 / 0.030