PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/08-21:12:40
G01     229.7          22.9               10.9 +/-    3.14      22.4 +/-    3.14  0.050 / 0.030
G03     305.4          60.4                9.5 +/-    1.06      10.7 +/-    1.06  0.050 / 0.040
G14     75.8           33.1                9.3 +/-    1.63      15.3 +/-    1.63  0.070 / 0.110
G16     150.6          36.8               12.1 +/-    1.67      18.6 +/-    1.67  0.080 / 0.080
G22     250.0          74.7                9.4 +/-    0.73       9.7 +/-    0.73  0.190 / 0.220
G23     300.7          31.1               10.8 +/-    1.72      18.5 +/-    1.72  0.160 / 0.250
G26     113.1          51.3                9.9 +/-    0.88      12.3 +/-    0.88  0.070 / 0.140
G31     42.7           40.2                7.8 +/-    1.85      11.3 +/-    1.85  0.060 / 0.130
G32     92.9           9.8                12.0 +/-    2.71      33.8 +/-    2.71  0.050 / 0.040