PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/04/29-16:12:30
G07     327.5          56.8                7.4 +/-    0.62       8.6 +/-    0.62  0.030 / 0.060
G08     114.8          47.3               11.0 +/-    0.85      14.4 +/-    0.85  0.030 / 0.050
G09     244.4          82.6                8.9 +/-    0.78       9.0 +/-    0.78  0.140 / 0.230
G16     43.6           18.2                6.5 +/-    1.28      15.0 +/-    1.28  0.150 / 0.310
G23     151.0          52.6               10.3 +/-    0.96      12.6 +/-    0.96  0.050 / 0.070
G27     68.3           36.7                8.0 +/-    0.48      12.3 +/-    0.48  0.060 / 0.070
G28     229.0          16.7               11.4 +/-    2.28      27.3 +/-    2.28  0.080 / 0.210
G30     294.7          30.1                8.9 +/-    1.83      15.5 +/-    1.83  0.080 / 0.260