PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/11-20:27:50
G01     242.6          33.2               13.0 +/-    1.84      21.3 +/-    1.84  0.040 / 0.040
G03     315.5          46.6                9.9 +/-    0.94      13.0 +/-    0.94  0.040 / 0.040
G14     61.0           41.8                8.6 +/-    1.61      12.2 +/-    1.61  0.050 / 0.080
G16     159.1          22.8               10.3 +/-    2.76      21.2 +/-    2.76  0.040 / 0.080
G22     298.2          68.7               10.0 +/-    0.76      10.6 +/-    0.76  0.110 / 0.260
G23     289.7          21.8               12.4 +/-    1.51      26.1 +/-    1.51  0.080 / 0.240
G26     132.5          41.5               10.6 +/-    0.68      15.0 +/-    0.68  0.050 / 0.070
G31     41.1           54.5                9.3 +/-    0.94      11.2 +/-    0.94  0.040 / 0.050
G32     81.3           18.7                9.4 +/-    1.30      21.3 +/-    1.30  0.240 / 0.210