PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/19-22:12:40
G01     236.6          28.7                8.5 +/-    1.55      15.2 +/-    1.55  0.030 / 0.040
G03     312.6          53.0                7.0 +/-    1.54       8.5 +/-    1.54  0.040 / 0.040
G14     67.5           38.4                6.5 +/-    0.89       9.8 +/-    0.89  0.050 / 0.110
G16     155.4          29.2               11.3 +/-    1.12      20.2 +/-    1.12  0.050 / 0.110
G22     282.1          72.8                8.2 +/-    0.56       8.6 +/-    0.56  0.070 / 0.170
G23     294.9          26.3                7.9 +/-    2.04      14.9 +/-    2.04  0.070 / 0.180
G26     124.2          46.6               10.8 +/-    0.70      14.2 +/-    0.70  0.070 / 0.210
G31     41.4           47.1                6.2 +/-    0.91       8.2 +/-    0.91  0.070 / 0.190
G32     86.6           14.8                7.6 +/-    0.80      19.0 +/-    0.80  0.050 / 0.040