PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/08-16:28:00
G01     246.8          33.0               11.8 +/-    1.48      19.4 +/-    1.48  0.030 / 0.030
G03     314.3          52.1               10.0 +/-    0.64      12.4 +/-    0.64  0.030 / 0.030
G14     63.0           40.1                8.5 +/-    1.58      12.3 +/-    1.58  0.040 / 0.110
G16     161.0          22.2                9.9 +/-   10.03      20.8 +/-   10.03  0.050 / 0.090
G22     295.0          72.0               10.5 +/-    0.47      11.0 +/-    0.47  0.040 / 0.030
G23     290.7          23.7                9.9 +/-    1.61      19.9 +/-    1.61  0.050 / 0.040
G26     131.0          41.7               13.8 +/-    1.28      19.5 +/-    1.28  0.100 / 0.280
G31     40.6           53.1                9.0 +/-    0.44      11.0 +/-    0.44  0.090 / 0.180
G32     81.3           19.5                8.5 +/-    1.51      18.8 +/-    1.51  0.060 / 0.050