PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/22-20:43:00
G10     302.5          54.1               12.0 +/-    1.31      14.4 +/-    1.31  0.060 / 0.080
G14     210.8          11.1               -2.0 +/-   34.97      -5.4 +/-   34.97  0.060 / 0.080
G15     45.8           26.1                8.7 +/-    0.77      16.6 +/-    0.77  0.040 / 0.040
G20     0.7            64.9               10.9 +/-    1.05      12.0 +/-    1.05  0.040 / 0.040
G21     101.0          73.4               12.4 +/-    0.77      12.8 +/-    0.77  0.190 / 0.570
G24     97.1           27.5               12.4 +/-    1.13      22.9 +/-    1.13  0.200 / 0.490
G27     298.7          35.2               12.4 +/-    0.81      19.5 +/-    0.81  0.060 / 0.120
G32     210.8          34.5               16.4 +/-    0.72      26.3 +/-    0.72  0.060 / 0.090