PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/16-22:12:30
G08     302.0          21.0                9.7 +/-    1.46      20.9 +/-    1.46  0.050 / 0.070
G10     358.6          62.5                9.4 +/-    0.41      10.5 +/-    0.41  0.050 / 0.070
G14     224.4          38.6               12.2 +/-    2.14      18.2 +/-    2.14  0.070 / 0.130
G20     58.1           54.5                9.8 +/-    0.68      11.7 +/-    0.68  0.070 / 0.130
G21     143.5          47.1               11.0 +/-    0.83      14.4 +/-    0.83  0.110 / 0.310
G24     63.0           28.5                9.1 +/-    1.18      16.5 +/-    1.18  0.120 / 0.270
G27     261.2          34.8               12.4 +/-    2.09      19.8 +/-    2.09  0.030 / 0.020
G32     235.1          63.3               11.5 +/-    1.48      12.7 +/-    1.48  0.020 / 0.020