PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/16-20:28:00
G10     277.4          44.9               12.7 +/-    1.25      17.1 +/-    1.25  0.100 / 0.140
G13     38.3           10.5               10.8 +/-    3.19      29.8 +/-    3.19  0.080 / 0.140
G15     52.0           42.3                9.7 +/-    0.53      13.7 +/-    0.53  0.040 / 0.040
G20     317.6          63.8               10.8 +/-    0.70      11.8 +/-    0.70  0.050 / 0.050
G21     26.4           75.8               12.0 +/-    0.43      12.4 +/-    0.43  0.230 / 0.650
G24     114.8          19.0               15.4 +/-    1.17      34.7 +/-    1.17  0.210 / 0.550
G27     314.4          24.9               10.4 +/-    1.85      20.3 +/-    1.85  0.030 / 0.060
G29     168.0          23.2               16.7 +/-    1.41      34.0 +/-    1.41  0.040 / 0.050
G32     205.3          17.1               21.6 +/-    3.45      51.0 +/-    3.45  0.110 / 0.120