PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/26-19:27:30
G07     316.7          51.0               15.3 +/-    1.06      19.1 +/-    1.06  0.050 / 0.070
G08     123.3          46.3               17.3 +/-    0.59      22.9 +/-    0.59  0.050 / 0.080
G09     251.4          82.6               16.2 +/-    1.04      16.3 +/-    1.04  0.030 / 0.050
G16     43.6           16.1               10.0 +/-    2.63      24.3 +/-    2.63  0.030 / 0.050
G23     149.4          50.8               14.8 +/-    0.48      18.5 +/-    0.48  0.030 / 0.030
G27     67.1           35.8               13.1 +/-    0.98      20.5 +/-    0.98  0.030 / 0.030
G28     229.3          20.6               18.7 +/-    2.52      40.6 +/-    2.52  0.150 / 0.360
G30     294.1          29.8               15.4 +/-    2.05      27.1 +/-    2.05  0.310 / 0.280