PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/13-17:13:10
G08     269.8          19.9                7.6 +/-    1.51      16.8 +/-    1.51  0.100 / 0.450
G10     57.5           57.9                8.6 +/-    0.55       9.9 +/-    0.55  0.180 / 0.330
G11     316.4          11.5               -1.8 +/-   14.88      -4.8 +/-   14.88  0.040 / 0.050
G14     254.4          60.3                8.7 +/-    0.95       9.8 +/-    0.95  0.060 / 0.060
G20     94.0           35.7                8.5 +/-    1.55      13.3 +/-    1.55  0.130 / 0.210
G21     154.3          18.0               10.7 +/-    3.09      24.6 +/-    3.09  0.120 / 0.270
G24     41.9           13.2                6.3 +/-    3.19      16.3 +/-    3.19  0.140 / 0.300
G27     234.1          18.7                8.8 +/-    3.50      19.9 +/-    3.50  0.110 / 0.380
G31     179.4          26.1               10.1 +/-    1.68      19.2 +/-    1.68  0.030 / 0.030
G32     333.6          75.7                7.4 +/-    0.67       7.6 +/-    0.67  0.030 / 0.030