PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/11-21:27:50
G01     245.3          32.6               12.1 +/-    0.96      20.1 +/-    0.96  0.110 / 0.100
G03     314.8          48.3                9.2 +/-    1.18      11.9 +/-    1.18  0.080 / 0.080
G14     65.7           37.3                9.4 +/-    0.58      14.3 +/-    0.58  0.080 / 0.320
G16     161.0          22.4                8.5 +/-   18.41      17.6 +/-   18.41  0.090 / 0.240
G18     214.1          22.2               14.8 +/-    2.53      30.9 +/-    2.53  0.050 / 0.110
G22     296.4          69.9               10.6 +/-    0.97      11.2 +/-    0.97  0.050 / 0.110
G23     289.6          20.8               10.2 +/-    1.95      22.0 +/-    1.95  0.070 / 0.230
G26     134.2          41.5               13.8 +/-    1.14      19.6 +/-    1.14  0.070 / 0.260
G31     39.8           57.0                9.2 +/-    0.64      10.7 +/-    0.64  0.050 / 0.040
G32     81.1           20.4                9.6 +/-    0.65      21.0 +/-    0.65  0.040 / 0.040