PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/02-20:58:00
G01     246.0          35.1               12.2 +/-    2.19      19.3 +/-    2.19  0.040 / 0.050
G03     316.2          43.6                7.7 +/-    1.25      10.6 +/-    1.25  0.040 / 0.040
G14     57.4           43.8                9.3 +/-    1.79      12.7 +/-    1.79  0.050 / 0.080
G16     160.5          20.0               -3.0 +/-   18.98      -6.7 +/-   18.98  0.060 / 0.080
G22     303.4          66.0              -17.5 +/-    1.18     -19.0 +/-    1.18  0.050 / 0.050
G23     287.5          20.0                8.3 +/-    2.02      18.3 +/-    2.02  0.050 / 0.060
G26     135.4          39.1               10.7 +/-    1.35      15.8 +/-    1.35  0.160 / 0.410
G31     41.5           57.3                8.8 +/-    0.80      10.3 +/-    0.80  0.150 / 0.350
G32     78.7           20.6                9.4 +/-    2.77      20.4 +/-    2.77  0.040 / 0.040