PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/23-22:13:10
G08     288.0          22.2               11.3 +/-    0.89      23.5 +/-    0.89  0.070 / 0.130
G10     28.1           62.0               10.3 +/-    1.64      11.5 +/-    1.64  0.060 / 0.130
G14     236.0          50.4               13.3 +/-    2.16      16.6 +/-    2.16  0.090 / 0.080
G18     317.8          16.8                7.6 +/-    1.94      18.2 +/-    1.94  0.060 / 0.080
G20     76.8           46.8               10.7 +/-    1.07      14.0 +/-    1.07  0.300 / 0.390
G21     150.5          33.7               12.2 +/-    0.97      19.8 +/-    0.97  0.330 / 0.300
G24     50.7           22.6                8.4 +/-    2.81      17.5 +/-    2.81  0.030 / 0.020
G27     246.7          27.9               13.2 +/-    1.31      24.2 +/-    1.31  0.030 / 0.020
G31     181.3          14.0               14.8 +/-    2.59      37.6 +/-    2.59  0.110 / 0.130
G32     266.1          73.9               11.1 +/-    0.58      11.5 +/-    0.58  0.110 / 0.120