PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/19-17:42:50
G01     313.8          28.7                8.1 +/-    1.19      14.6 +/-    1.19  0.180 / 0.280
G10     94.5           45.0                9.5 +/-    1.31      12.9 +/-    1.31  0.180 / 0.250
G14     315.6          70.2                8.0 +/-    0.61       8.4 +/-    0.61  0.050 / 0.030
G20     114.5          18.5               10.2 +/-    1.10      23.2 +/-    1.10  0.040 / 0.040
G22     305.8          16.8                8.4 +/-    3.32      20.1 +/-    3.32  0.150 / 0.190
G25     92.3           12.2               12.8 +/-    0.92      34.0 +/-    0.92  0.180 / 0.220
G31     173.7          52.1                9.9 +/-    0.81      12.2 +/-    0.81  0.040 / 0.050
G32     26.2           59.0                8.2 +/-    0.83       9.4 +/-    0.83  0.040 / 0.050