PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/25-18:12:50
G05     48.6           18.1                7.1 +/-    0.48      16.4 +/-    0.48  0.080 / 0.110
G10     236.6          14.9               11.7 +/-    6.42      29.2 +/-    6.42  0.060 / 0.140
G13     73.3           35.1                9.0 +/-    0.71      14.3 +/-    0.71  0.040 / 0.070
G15     122.5          53.2               11.1 +/-    0.53      13.5 +/-    0.53  0.040 / 0.080
G16     312.7          13.1                6.5 +/-    1.63      17.0 +/-    1.63  0.110 / 0.340
G20     249.8          39.0               11.1 +/-    1.59      16.4 +/-    1.59  0.110 / 0.390
G21     314.1          46.9                7.2 +/-    0.89       9.5 +/-    0.89  0.050 / 0.120
G25     199.4          11.0               10.0 +/-    7.24      27.2 +/-    7.24  0.060 / 0.160
G26     286.4          20.1                8.9 +/-    1.35      19.6 +/-    1.35  0.290 / 0.320
G29     154.1          72.1               12.2 +/-    0.94      12.7 +/-    0.94  0.310 / 0.410