PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/14-01:28:10
G07     318.6          52.7                4.0 +/-    0.57       4.9 +/-    0.57  0.040 / 0.050
G08     114.4          46.3                6.4 +/-    0.74       8.4 +/-    0.74  0.040 / 0.050
G09     228.6          83.7                4.6 +/-    0.40       4.7 +/-    0.40  0.050 / 0.040
G16     43.3           18.2                1.8 +/-    2.75       4.2 +/-    2.75  0.050 / 0.050
G23     150.8          57.7                6.2 +/-    0.43       7.2 +/-    0.43  0.150 / 0.410
G27     72.1           37.8                5.6 +/-    0.91       8.5 +/-    0.91  0.100 / 0.240
G28     228.0          17.1                1.8 +/-    9.94       4.3 +/-    9.94  0.210 / 0.240
G30     291.2          25.7                4.3 +/-    1.56       8.2 +/-    1.56  0.100 / 0.270