PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/14-22:28:00
G08     299.1          21.5               12.1 +/-    1.52      25.7 +/-    1.52  0.050 / 0.070
G10     5.4            62.7               10.2 +/-    1.04      11.4 +/-    1.04  0.040 / 0.070
G14     226.6          41.5               13.7 +/-    2.00      19.4 +/-    2.00  0.080 / 0.110
G20     62.7           52.9               11.3 +/-    1.18      13.7 +/-    1.18  0.080 / 0.110
G21     145.4          44.1               13.1 +/-    0.70      17.8 +/-    0.70  0.120 / 0.280
G24     59.8           27.5               10.0 +/-    1.64      18.6 +/-    1.64  0.090 / 0.220
G27     257.6          33.5               12.8 +/-    1.84      20.9 +/-    1.84  0.030 / 0.030
G32     240.1          66.0               12.4 +/-    1.02      13.5 +/-    1.02  0.040 / 0.020