PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/21-22:12:40
G01     233.4          26.1               11.0 +/-    2.13      21.0 +/-    2.13  0.040 / 0.030
G03     309.9          56.4                9.1 +/-    2.09      10.7 +/-    2.09  0.040 / 0.030
G14     71.2           36.3               10.0 +/-    3.50      15.5 +/-    3.50  0.040 / 0.040
G16     153.3          32.7               11.3 +/-    1.88      18.8 +/-    1.88  0.040 / 0.040
G22     268.9          74.3                9.7 +/-    0.46      10.1 +/-    0.46  0.110 / 0.070
G23     297.6          28.6                8.2 +/-    1.30      14.8 +/-    1.30  0.080 / 0.050
G26     119.2          48.9               10.9 +/-    0.71      14.0 +/-    0.71  0.070 / 0.110
G31     41.9           43.6               10.4 +/-    1.12      14.3 +/-    1.12  0.070 / 0.150
G32     89.5           12.5                9.3 +/-    1.77      24.5 +/-    1.77  0.100 / 0.170