PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/03-21:42:30
G01     226.6          19.8                9.2 +/-    2.21      20.4 +/-    2.21  0.030 / 0.030
G03     299.2          63.9                7.8 +/-    0.69       8.6 +/-    0.69  0.030 / 0.030
G14     79.8           30.7                8.5 +/-    1.06      14.6 +/-    1.06  0.070 / 0.120
G16     147.5          41.0               10.7 +/-    0.67      15.3 +/-    0.67  0.070 / 0.170
G22     234.0          73.2                8.1 +/-    0.58       8.4 +/-    0.58  0.040 / 0.030
G23     303.9          34.1                6.9 +/-    1.44      11.1 +/-    1.44  0.040 / 0.040
G26     105.6          53.0                9.1 +/-    0.72      11.1 +/-    0.72  0.070 / 0.080
G31     44.0           36.1                7.1 +/-    1.15      11.0 +/-    1.15  0.050 / 0.080