PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/11-07:27:50
G07     340.0          60.7                6.8 +/-    1.00       7.6 +/-    1.00  0.110 / 0.250
G08     100.1          52.8                8.5 +/-    0.90      10.4 +/-    0.90  0.150 / 0.270
G09     186.1          70.9                7.7 +/-    0.79       8.1 +/-    0.79  0.090 / 0.100
G11     145.3          15.2                7.3 +/-    2.95      18.2 +/-    2.95  0.080 / 0.090
G23     155.6          37.7                8.3 +/-    0.74      12.6 +/-    0.74  0.050 / 0.050
G27     53.5           30.7                4.5 +/-    0.71       7.7 +/-    0.71  0.050 / 0.050
G28     236.9          24.6                6.0 +/-    1.72      11.8 +/-    1.72  0.070 / 0.100
G30     302.9          35.7                5.4 +/-    0.78       8.4 +/-    0.78  0.080 / 0.100