PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/21-23:27:40
G03     229.8          65.7                7.3 +/-    1.09       7.9 +/-    1.09  0.050 / 0.070
G07     251.1          10.9                1.3 +/-   23.70       3.5 +/-   23.70  0.050 / 0.060
G09     307.4          25.6                7.2 +/-    1.81      13.8 +/-    1.81  0.090 / 0.330
G14     101.5          15.5                9.1 +/-    1.74      22.4 +/-    1.74  0.090 / 0.230
G16     112.0          61.1               10.3 +/-    1.57      11.5 +/-    1.57  0.050 / 0.060
G22     194.9          50.9               10.3 +/-    2.21      12.9 +/-    2.21  0.050 / 0.060
G23     323.1          53.0               10.3 +/-    1.12      12.5 +/-    1.12  0.040 / 0.040
G26     62.3           48.6                5.9 +/-    0.58       7.6 +/-    0.58  0.040 / 0.040
G31     55.1           15.5                5.6 +/-    3.89      13.7 +/-    3.89  0.040 / 0.050