PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/27-21:43:00
G10     273.6          43.1               11.8 +/-    0.89      16.4 +/-    0.89  0.050 / 0.040
G13     39.3           13.0                7.4 +/-    1.29      19.3 +/-    1.29  0.040 / 0.050
G15     54.5           45.2                9.4 +/-    0.76      12.6 +/-    0.76  0.130 / 0.670
G16     273.9          10.7               12.4 +/-    2.98      34.2 +/-    2.98  0.110 / 0.650
G20     309.7          62.6               10.0 +/-    1.00      11.2 +/-    1.00  0.110 / 0.140
G21     15.4           74.3               12.2 +/-    0.61      12.6 +/-    0.61  0.100 / 0.140
G24     117.3          17.2               13.5 +/-    1.79      31.8 +/-    1.79  0.100 / 0.280
G27     316.4          22.6                7.8 +/-    1.45      16.2 +/-    1.45  0.130 / 0.290
G29     167.7          26.0               15.7 +/-    1.46      30.0 +/-    1.46  0.110 / 0.330
G32     204.8          13.8               19.7 +/-    3.42      50.4 +/-    3.42  0.100 / 0.330