PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/16-20:58:00
G10     295.8          52.1               11.4 +/-    0.88      14.1 +/-    0.88  0.060 / 0.110
G15     46.5           30.3                9.0 +/-    0.86      15.7 +/-    0.86  0.050 / 0.090
G20     349.9          65.3               10.2 +/-    0.78      11.1 +/-    0.78  0.050 / 0.050
G21     85.9           75.8               12.2 +/-    0.67      12.6 +/-    0.67  0.040 / 0.040
G24     101.7          25.8               12.7 +/-    1.14      24.4 +/-    1.14  0.050 / 0.110
G27     303.3          33.3               12.0 +/-    2.81      19.7 +/-    2.81  0.050 / 0.100
G29     167.9          10.1               18.9 +/-    2.15      52.5 +/-    2.15  0.070 / 0.110
G32     209.1          30.1               16.9 +/-    2.21      29.6 +/-    2.21  0.100 / 0.110