PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/21-17:27:30
G08     305.8          20.8                7.6 +/-    1.49      16.4 +/-    1.49  0.060 / 0.080
G10     344.9          61.6                9.1 +/-    0.96      10.2 +/-    0.96  0.090 / 0.080
G14     220.1          29.8               12.5 +/-    1.45      22.0 +/-    1.45  0.100 / 0.190
G20     50.0           56.5                8.9 +/-    0.54      10.5 +/-    0.54  0.070 / 0.230
G21     138.4          52.6               12.8 +/-    1.32      15.6 +/-    1.32  0.040 / 0.030
G24     70.5           30.2                9.6 +/-    1.30      16.7 +/-    1.30  0.040 / 0.030
G27     269.2          37.1               11.0 +/-    0.98      16.8 +/-    0.98  0.070 / 0.050
G32     226.7          58.2               13.9 +/-    1.90      16.0 +/-    1.90  0.060 / 0.060