PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/08-21:12:50
G07     51.4           68.1               12.5 +/-    0.30      13.3 +/-    0.30  0.050 / 0.080
G08     53.3           41.5               11.7 +/-    0.84      16.6 +/-    0.84  0.060 / 0.110
G09     179.0          41.9               15.1 +/-    1.57      21.3 +/-    1.57  0.110 / 0.120
G11     121.4          33.2               15.9 +/-    0.96      26.0 +/-    0.96  0.120 / 0.170
G17     198.5          11.8               16.2 +/-   19.04      43.4 +/-   19.04  0.040 / 0.050
G18     104.8          14.3               16.1 +/-    2.72      40.6 +/-    2.72  0.030 / 0.050
G23     161.1          13.3               16.3 +/-    2.63      42.1 +/-    2.63  0.110 / 0.340
G27     38.6           13.0                7.6 +/-    1.37      19.8 +/-    1.37  0.070 / 0.330
G28     265.6          47.2               14.7 +/-    1.08      19.2 +/-    1.08  0.030 / 0.040
G30     327.8          57.0               12.3 +/-    0.74      14.3 +/-    0.74  0.030 / 0.040