PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/24-15:27:30
G07     317.5          51.5               12.0 +/-    1.09      14.9 +/-    1.09  0.040 / 0.050
G08     119.3          47.1               13.5 +/-    0.66      17.7 +/-    0.66  0.050 / 0.050
G09     236.1          82.8               10.7 +/-    0.85      10.8 +/-    0.85  0.040 / 0.040
G16     43.9           14.4               10.0 +/-    3.42      25.3 +/-    3.42  0.030 / 0.050
G23     149.5          49.2               13.2 +/-    0.80      16.8 +/-    0.80  0.100 / 0.090
G27     66.8           35.9               10.6 +/-    1.06      16.5 +/-    1.06  0.070 / 0.150
G28     229.6          20.8               12.7 +/-    1.76      27.4 +/-    1.76  0.160 / 0.460
G30     293.6          28.4                9.7 +/-    1.79      17.5 +/-    1.79  0.110 / 0.350