PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/20-21:12:50
G08     318.2          13.1                8.1 +/-    1.20      21.1 +/-    1.20  0.060 / 0.090
G10     319.1          58.0               10.4 +/-    1.14      12.0 +/-    1.14  0.060 / 0.080
G14     213.9          20.2               12.1 +/-    1.70      26.5 +/-    1.70  0.040 / 0.050
G15     45.8           17.6                7.7 +/-    0.95      18.0 +/-    0.95  0.040 / 0.050
G20     22.7           62.8                8.8 +/-    0.38       9.8 +/-    0.38  0.140 / 0.410
G21     123.1          65.9               11.7 +/-    0.60      12.7 +/-    0.60  0.110 / 0.300
G24     85.7           30.1                9.9 +/-    0.65      17.3 +/-    0.65  0.140 / 0.290
G27     286.7          37.8                9.5 +/-    1.35      14.4 +/-    1.35  0.140 / 0.280
G32     216.0          44.3               13.5 +/-    0.92      18.3 +/-    0.92  0.060 / 0.140