PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/19-05:42:50
G03     189.6          17.1                5.3 +/-    1.86      12.5 +/-    1.86  0.090 / 0.250
G07     297.1          42.5                6.2 +/-    0.91       8.7 +/-    0.91  0.110 / 0.280
G08     140.0          31.4                6.7 +/-    1.01      11.4 +/-    1.01  0.050 / 0.080
G09     319.3          69.7                5.8 +/-    0.70       6.2 +/-    0.70  0.050 / 0.070
G16     42.3           32.0                3.7 +/-    1.87       6.3 +/-    1.87  0.060 / 0.080
G23     130.5          72.8                7.9 +/-    0.55       8.2 +/-    0.55  0.050 / 0.080
G27     93.5           35.3                7.2 +/-    0.52      11.3 +/-    0.52  0.030 / 0.040
G30     277.4          14.7                6.2 +/-    1.98      15.6 +/-    1.98  0.030 / 0.050