PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/25-05:58:10
G01     87.1           32.3                4.9 +/-    0.53       8.2 +/-    0.53  0.030 / 0.040
G07     128.0          41.3                7.0 +/-    0.55      10.0 +/-    0.55  0.030 / 0.040
G11     63.9           37.7                4.0 +/-    0.37       6.1 +/-    0.37  0.070 / 0.130
G13     291.1          37.2                5.7 +/-    1.16       8.7 +/-    1.16  0.070 / 0.120
G17     215.7          59.0                7.9 +/-    1.15       9.0 +/-    1.15  0.040 / 0.070
G19     215.8          26.9                6.1 +/-    1.56      11.5 +/-    1.56  0.040 / 0.070
G28     350.2          61.7                3.1 +/-    0.78       3.5 +/-    0.78  0.030 / 0.040
G30     110.1          75.8                6.7 +/-    0.88       6.9 +/-    0.88  0.030 / 0.040