PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/06-05:12:30
G01     87.6           32.2                4.6 +/-    2.28       7.6 +/-    2.28  0.110 / 0.110
G07     127.7          41.5                6.7 +/-    0.58       9.5 +/-    0.58  0.060 / 0.110
G11     64.3           37.9                5.6 +/-    1.28       8.5 +/-    1.28  0.050 / 0.050
G13     291.6          37.1                7.0 +/-    2.88      10.7 +/-    2.88  0.060 / 0.050
G17     215.3          58.7                7.9 +/-    0.67       9.1 +/-    0.67  0.030 / 0.020
G19     215.5          26.8                6.1 +/-    1.90      11.5 +/-    1.90  0.030 / 0.030
G28     349.0          61.7                6.0 +/-    0.71       6.8 +/-    0.71  0.050 / 0.030
G30     108.9          76.1                7.1 +/-    0.74       7.3 +/-    0.74  0.050 / 0.030