PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/16-04:27:50
G03     210.5          55.5                6.5 +/-    1.54       7.7 +/-    1.54  0.050 / 0.080
G07     260.4          19.6                5.6 +/-    0.72      12.4 +/-    0.72  0.050 / 0.090
G09     312.3          32.0                3.4 +/-    2.02       5.6 +/-    2.02  0.050 / 0.050
G16     83.9           62.7                6.8 +/-    0.49       7.6 +/-    0.49  0.040 / 0.040
G22     189.6          39.1                6.6 +/-    2.55       9.8 +/-    2.55  0.080 / 0.280
G23     336.1          64.5                3.9 +/-    0.82       4.3 +/-    0.82  0.080 / 0.280
G26     51.0           39.8                5.4 +/-    0.49       7.8 +/-    0.49  0.040 / 0.050
G27     131.9          12.4                5.0 +/-    2.44      13.1 +/-    2.44  0.040 / 0.060