PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/20-18:43:10
G08     272.5          20.4                8.5 +/-    1.88      18.5 +/-    1.88  0.080 / 0.150
G10     53.9           58.7                8.5 +/-    0.49       9.8 +/-    0.49  0.080 / 0.130
G11     317.0          10.9               -3.2 +/-   18.01      -8.8 +/-   18.01  0.040 / 0.080
G14     250.8          58.1               11.0 +/-    0.62      12.7 +/-    0.62  0.040 / 0.070
G20     91.8           37.5                8.8 +/-    0.59      13.4 +/-    0.59  0.090 / 0.230
G21     154.1          20.4                8.5 +/-    1.36      18.6 +/-    1.36  0.110 / 0.210
G24     42.9           14.7                7.0 +/-    1.44      17.6 +/-    1.44  0.030 / 0.030
G27     235.6          19.9                9.5 +/-    1.18      20.8 +/-    1.18  0.040 / 0.040
G31     179.2          24.9               10.3 +/-    1.19      20.1 +/-    1.19  0.140 / 0.260
G32     324.7          76.4                9.7 +/-    0.94       9.9 +/-    0.94  0.150 / 0.300