PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/09-21:28:00
G01     223.5          16.7               10.2 +/-    1.14      24.3 +/-    1.14  0.040 / 0.040
G03     290.4          66.9                7.4 +/-    0.48       8.0 +/-    0.48  0.040 / 0.030
G09     295.2          11.7                8.8 +/-    6.37      23.8 +/-    6.37  0.050 / 0.080
G14     84.0           27.9                7.7 +/-    0.95      14.1 +/-    0.95  0.050 / 0.090
G16     143.9          45.1               11.3 +/-    0.76      15.2 +/-    0.76  0.110 / 0.290
G22     220.6          70.5                8.0 +/-    0.79       8.5 +/-    0.79  0.110 / 0.260
G23     307.0          37.0                6.9 +/-    1.21      10.6 +/-    1.21  0.080 / 0.190
G26     97.9           54.1                7.9 +/-    0.58       9.5 +/-    0.58  0.080 / 0.200
G31     45.4           32.5                6.9 +/-    0.55      11.5 +/-    0.55  0.030 / 0.040