PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/08-01:57:50
G05     51.7           9.9                 7.8 +/-    2.40      21.7 +/-    2.40  0.150 / 0.200
G10     241.1          19.4               13.2 +/-    3.44      29.5 +/-    3.44  0.190 / 0.300
G13     65.5           34.1               10.1 +/-    1.16      16.3 +/-    1.16  0.040 / 0.050
G15     108.8          56.2               12.2 +/-    1.15      14.3 +/-    1.15  0.030 / 0.050
G16     309.1          13.6                7.3 +/-    2.22      18.7 +/-    2.22  0.150 / 0.310
G20     255.8          42.6               12.5 +/-    2.25      17.4 +/-    2.25  0.170 / 0.310
G21     321.3          52.0               10.0 +/-    0.68      12.3 +/-    0.68  0.070 / 0.100
G26     281.1          18.8                8.9 +/-    1.24      20.2 +/-    1.24  0.070 / 0.110
G29     157.2          61.4               11.8 +/-    0.87      13.3 +/-    0.87  0.040 / 0.030