PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/06-20:12:30
G10     251.0          28.7               11.4 +/-    1.38      20.6 +/-    1.38  0.040 / 0.050
G13     52.5           28.4                7.9 +/-    0.85      14.4 +/-    0.85  0.040 / 0.050
G15     87.1           58.1                9.2 +/-    0.88      10.6 +/-    0.88  0.060 / 0.180
G16     295.0          15.8                8.8 +/-    3.98      21.5 +/-    3.98  0.060 / 0.180
G20     271.5          51.8               11.2 +/-    0.73      13.9 +/-    0.73  0.030 / 0.050
G21     333.8          59.7               10.8 +/-    0.65      12.3 +/-    0.65  0.030 / 0.040
G26     267.7          15.3               11.1 +/-    2.20      27.4 +/-    2.20  0.180 / 0.920
G29     163.7          50.1               10.7 +/-    2.33      13.5 +/-    2.33  0.180 / 0.720