PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/24-21:27:30
G08     306.9          19.7                9.0 +/-    1.20      19.9 +/-    1.20  0.040 / 0.050
G10     346.9          61.8               10.0 +/-    0.66      11.2 +/-    0.66  0.040 / 0.050
G14     220.8          33.2               13.2 +/-    1.40      21.7 +/-    1.40  0.140 / 0.150
G20     49.6           57.1               10.7 +/-    0.54      12.4 +/-    0.54  0.180 / 0.150
G21     139.5          52.6               12.7 +/-    0.90      15.6 +/-    0.90  0.110 / 0.270
G24     69.1           30.0               11.8 +/-    0.79      20.7 +/-    0.79  0.110 / 0.280
G27     268.0          36.7               12.0 +/-    1.68      18.5 +/-    1.68  0.080 / 0.060
G32     228.0          58.3               12.2 +/-    2.02      14.1 +/-    2.02  0.100 / 0.070