PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/19-19:12:40
G08     317.7          13.7               10.5 +/-    1.94      26.8 +/-    1.94  0.060 / 0.080
G10     318.2          57.9               12.9 +/-    1.06      14.9 +/-    1.06  0.060 / 0.100
G14     213.8          18.6               13.8 +/-    3.86      31.3 +/-    3.86  0.110 / 0.520
G15     45.7           16.7               11.4 +/-    0.74      27.3 +/-    0.74  0.180 / 0.610
G20     23.2           62.6               11.9 +/-    0.42      13.2 +/-    0.42  0.080 / 0.120
G21     122.3          66.0               14.5 +/-    0.96      15.8 +/-    0.96  0.100 / 0.120
G24     86.7           30.1               12.9 +/-    0.66      22.5 +/-    0.66  0.040 / 0.050
G27     287.3          37.8               13.0 +/-    1.79      19.6 +/-    1.79  0.040 / 0.040
G32     215.6          44.3               15.0 +/-    1.68      20.4 +/-    1.68  0.130 / 0.240