PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/19-23:57:50
G01     313.6          28.6                7.0 +/-    1.73      12.5 +/-    1.73  0.060 / 0.120
G10     95.8           44.6                8.6 +/-    1.09      11.7 +/-    1.09  0.090 / 0.100
G11     293.7          25.5                7.6 +/-    0.82      14.6 +/-    0.82  0.060 / 0.050
G14     323.6          70.4                8.2 +/-    0.64       8.7 +/-    0.64  0.040 / 0.050
G18     291.4          47.6                9.0 +/-    9.70      11.7 +/-    9.70  0.060 / 0.050
G20     114.7          19.9                7.2 +/-    1.02      15.9 +/-    1.02  0.070 / 0.060
G22     306.0          16.9                8.0 +/-    2.56      19.0 +/-    2.56  0.050 / 0.030
G25     92.5           12.8                8.4 +/-    2.51      21.9 +/-    2.51  0.040 / 0.030
G31     170.3          55.3               10.1 +/-    0.88      12.0 +/-    0.88  0.200 / 0.310
G32     25.6           59.2                7.9 +/-    0.91       9.0 +/-    0.91  0.180 / 0.220