PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/24-00:27:50
G01     293.4          41.0                4.8 +/-    4.81       6.9 +/-    4.81  0.080 / 0.110
G03     310.5          13.4                7.2 +/-    3.37      18.5 +/-    3.37  0.070 / 0.100
G10     116.9          29.4                8.8 +/-    2.27      15.6 +/-    2.27  0.040 / 0.040
G11     270.6          25.5                8.7 +/-    1.52      16.8 +/-    1.52  0.040 / 0.050
G14     13.7           62.4                7.3 +/-    0.67       8.1 +/-    0.67  0.050 / 0.060
G18     256.8          48.9                8.6 +/-    3.58      11.0 +/-    3.58  0.070 / 0.060
G22     313.2          33.9                6.9 +/-    0.88      11.2 +/-    0.88  0.040 / 0.040
G25     71.5           18.5                6.2 +/-    1.89      14.2 +/-    1.89  0.040 / 0.050
G31     136.7          76.6                7.9 +/-    0.93       8.1 +/-    0.93  0.060 / 0.100
G32     48.1           43.9                6.8 +/-    0.67       9.3 +/-    0.67  0.060 / 0.100