PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/09-21:42:40
G10     307.3          55.4                6.7 +/-    1.02       8.0 +/-    1.02  0.040 / 0.030
G14     211.6          14.3               16.5 +/-    2.06      41.7 +/-    2.06  0.030 / 0.040
G15     45.7           24.5                7.7 +/-    1.80      15.3 +/-    1.80  0.430 / 0.660
G20     7.0            64.5                8.9 +/-    0.41       9.8 +/-    0.41  0.240 / 0.560
G21     109.3          71.4                9.7 +/-    0.33      10.2 +/-    0.33  0.130 / 0.150
G24     93.5           28.5               10.0 +/-    0.96      18.1 +/-    0.96  0.150 / 0.110
G27     295.2          36.2               10.1 +/-    3.05      15.7 +/-    3.05  0.110 / 0.100
G32     212.3          37.2               11.3 +/-    1.71      17.2 +/-    1.71  0.110 / 0.170