PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/08-23:12:40
G08     289.9          22.0                9.9 +/-    1.43      20.8 +/-    1.43  0.050 / 0.110
G10     25.7           62.2               10.4 +/-    1.09      11.6 +/-    1.09  0.050 / 0.120
G14     235.0          50.0               10.8 +/-    2.72      13.6 +/-    2.72  0.090 / 0.100
G18     317.8          15.9                7.0 +/-    1.91      17.2 +/-    1.91  0.080 / 0.110
G20     75.1           47.8                9.5 +/-    1.96      12.3 +/-    1.96  0.160 / 0.320
G21     150.0          34.8               11.1 +/-    1.65      17.7 +/-    1.65  0.350 / 0.330
G24     51.5           23.1                8.1 +/-    2.71      16.5 +/-    2.71  0.020 / 0.030
G27     247.9          28.6               11.3 +/-    1.58      20.5 +/-    1.58  0.030 / 0.020
G31     181.5          13.1               14.0 +/-    1.80      36.6 +/-    1.80  0.110 / 0.190
G32     261.8          72.9                9.2 +/-    0.97       9.5 +/-    0.97  0.100 / 0.170