PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/06-18:43:00
G03     202.7          51.1               13.9 +/-    0.40      17.3 +/-    0.40  0.060 / 0.100
G07     260.6          17.8               13.0 +/-    1.72      30.2 +/-    1.72  0.070 / 0.090
G09     312.3          31.0               10.7 +/-    1.25      18.3 +/-    1.25  0.180 / 0.250
G16     83.0           64.2               13.7 +/-    0.66      15.0 +/-    0.66  0.200 / 0.340
G22     185.1          35.3               12.5 +/-    1.10      19.6 +/-    1.10  0.040 / 0.030
G23     338.0          65.8               11.7 +/-    0.34      12.7 +/-    0.34  0.040 / 0.030
G27     129.9          14.1               15.0 +/-    2.19      38.1 +/-    2.19  0.030 / 0.050