PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/27-20:12:30
G10     295.9          52.1               19.2 +/-    0.73      23.5 +/-    0.73  0.070 / 0.100
G15     46.4           29.7               15.1 +/-    0.61      26.6 +/-    0.61  0.050 / 0.100
G20     350.7          65.3               16.8 +/-    0.69      18.3 +/-    0.69  0.040 / 0.050
G21     86.2           75.7               18.9 +/-    0.45      19.4 +/-    0.45  0.040 / 0.050
G24     101.8          25.8               20.1 +/-    1.19      38.6 +/-    1.19  0.090 / 0.130
G27     303.2          33.3               19.4 +/-    3.21      31.7 +/-    3.21  0.070 / 0.150
G29     168.0          10.2               26.3 +/-    1.98      73.1 +/-    1.98  0.040 / 0.110
G32     209.1          30.4               26.4 +/-    2.50      45.8 +/-    2.50  0.050 / 0.090